Romaguera, Salvador; Salbany, Sergio On the Niemytzki-Tychonoff theorem for distance spaces. (English) Zbl 0764.54021 Fasc. Math. 19, 223-231 (1989). Reviewer: P.Fletcher (Blacksburg) MSC: 54E55 54D30 54E15 × Cite Format Result Cite Review PDF
Ren-Kurc, Anna Approximation of integrable functions of several variables by spline functions. The order of approximation. (English) Zbl 0737.41011 Fasc. Math. 19, 215-222 (1989). Reviewer: M.Babaev MSC: 41A15 41A63 41A25 × Cite Format Result Cite Review PDF
Pych-Taberska, Paulina On the rate of pointwise convergence of double Fourier-Legendre series. (English) Zbl 0742.42011 Fasc. Math. 19, 207-213 (1989). Reviewer: F.Móricz (Szeged) MSC: 42C10 × Cite Format Result Cite Review PDF
Musielak, Julian On the continuity of some embeddings with respect to two-modular convergence. (English) Zbl 0745.42006 Fasc. Math. 19, 191-196 (1989). Reviewer: D.Somasundaram (Salem) MSC: 42A16 42C10 × Cite Format Result Cite Review PDF
Marlewski, Adam Two-dimensional analogues of a certain Voronovskaja type theorem. (English) Zbl 0735.41026 Fasc. Math. 19, 175-181 (1989). Reviewer: M.B.A.Babaev (Baku) MSC: 41A36 41A10 × Cite Format Result Cite Review PDF
Kotkowski, Bogdan; Waszak, Aleksander A contribution to the theory of calculus of matrices. (English) Zbl 0735.15002 Fasc. Math. 19, 135-141 (1989). Reviewer: P.M.Gibson (Huntsville) MSC: 15A09 15A24 × Cite Format Result Cite Review PDF
Kerre, E. E.; Ottoy, P. L. On \(\alpha\)-generated fuzzy topologies. (English) Zbl 0735.54005 Fasc. Math. 19, 127-134 (1989). Reviewer: T.M.G.Ahsanullah MSC: 54A40 54B30 × Cite Format Result Cite Review PDF
Barański, Feliks; Musiałek, Jan Bicaloric problem for the strip with Lauricella boundary conditions. (English) Zbl 0735.35040 Fasc. Math. 19, 21-34 (1989). Reviewer: A.Kaneko (Komaba) MSC: 35G15 45D05 35K99 × Cite Format Result Cite Review PDF
Gerstenkorn, Tadeusz On some statistical problem joining the inflated Pólya distribution to Bayes’ rule. (English) Zbl 0734.62010 Fasc. Math. 19, 77-85 (1989). MSC: 62C10 62E15 × Cite Format Result Cite Review PDF
Taberski, Roman On partial power variations and averaged moduli of continuity. (English) Zbl 0734.42014 Fasc. Math. 19, 239-249 (1989). Reviewer: R.Taberski MSC: 42B99 26B30 × Cite Format Result Cite Review PDF
Kurc, Wiesław Characterization of a weak uniform property in Köhte spaces of vector valued functions. (English) Zbl 0731.46013 Fasc. Math. 19, 147-156 (1989). MSC: 46E30 46E40 × Cite Format Result Cite Review PDF
Firlej, Barbara A Bernstein-Steckin inequality in Marcinkiewicz-Orlicz spaces. (English) Zbl 0731.46011 Fasc. Math. 19, 53-61 (1989). MSC: 46E30 × Cite Format Result Cite Review PDF
Dvurečenskij, Anatolij; Riečan, Beloslav Fuzziness and commensurability. (English) Zbl 0731.04007 Fasc. Math. 19, 39-46 (1989). Reviewer: A.Dvurečenskij (Bratislava) MSC: 03E72 81P10 60A05 × Cite Format Result Cite Review PDF
Alefeld, Götz Über die Divergenzgeschwindigkeit des Intervall-Newton-Verfahrens. (On the speed of divergence of the interval-Newton method). (German) Zbl 0727.65041 Fasc. Math. 19, 9-13 (1989). Reviewer: S.Markov (Sofia) MSC: 65H05 65G30 × Cite Format Result Cite Review PDF
Babiański, Wojciech; Bittner, Ryszard; Latecki, Longin The criteria for the existence and uniqueness for solutions of abstract differential equations. (English) Zbl 0727.44003 Fasc. Math. 19, 15-19 (1989). Reviewer: Ram Kishore Saxena (Jodhpur) MSC: 44A40 34A25 × Cite Format Result Cite Review PDF
Bobula, Eugeniusz Free boundary problem for the spontaneous diffusion. (English) Zbl 0727.35142 Fasc. Math. 19, 35-38 (1989). MSC: 35R35 35K57 × Cite Format Result Cite Review PDF
Kacprzyk, Janusz Compatibility relations as a representation of IF-THEN rules and their use in possibilistic inference. (English) Zbl 0726.68071 Fasc. Math. 19, 113-125 (1989). Reviewer: J.W.Grzymala-Busse (Lawrence) MSC: 68T30 03B52 × Cite Format Result Cite Review PDF
Szulc, Tomasz Sufficient conditions for the nonsingularity of an interval matrix. (English) Zbl 0726.65024 Fasc. Math. 19, 233-237 (1989). Reviewer: H.Ratschek (Düsseldorf) MSC: 65F05 65G30 15A09 × Cite Format Result Cite Review PDF
Filep, László; Maurer, Iulius Gyula Fuzzy groups and groups of fuzzy elements. (English) Zbl 0725.20053 Fasc. Math. 19, 47-51 (1989). Reviewer: E.Kerre (Gent) MSC: 20N25 × Cite Format Result Cite Review PDF
Gardeñes, Ernest; Trepat, Albert; Mielgo, Honorino Fuzzy semantics of modal intervals. (English) Zbl 0724.65045 Fasc. Math. 19, 63-76 (1989). Reviewer: G.F.Corliss (Milwaukee) MSC: 65G30 03E72 × Cite Format Result Cite Review PDF
Gottwald, Siegfried Some observations and problems connected with fuzzy relation equations. (English) Zbl 0724.04005 Fasc. Math. 19, 87-92 (1989). Reviewer: Li Hongxing (Beijing) MSC: 03E72 × Cite Format Result Cite Review PDF
Lubański, Mieszysław Some metatheoretical remarks on the nature of mathematics. (English) Zbl 0723.00013 Fasc. Math. 19, 157-160 (1989). MSC: 00A30 × Cite Format Result Cite Review PDF
Jahn, Karl Udo Semimorphisms in interval and fuzzy mathematics. (English) Zbl 0722.65023 Fasc. Math. 19, 105-112 (1989). Reviewer: M.Kracht (Düsseldorf) MSC: 65G30 03E72 68W30 × Cite Format Result Cite Review PDF
Kubiak, Tomasz On extremally disconnected subspaces. (English) Zbl 0721.54036 Fasc. Math. 19, 143-145 (1989). MSC: 54G05 × Cite Format Result Cite Review PDF
Heilpern, Stanisław Some representations of random sets. (English) Zbl 0719.60017 Fasc. Math. 19, 97-103 (1989). MSC: 60D05 03E72 60A99 × Cite Format Result Cite Review PDF
Piasecki, Krzysztof Extension of fuzzy P-measures generated by means of a usual probability measure. (English) Zbl 0719.60004 Fasc. Math. 19, 197-202 (1989). MSC: 60A99 03E72 × Cite Format Result Cite Review PDF
Wygralak, Maciej On the power of a rough set. (English) Zbl 0719.04003 Fasc. Math. 19, 251-253 (1989). MSC: 03E99 03E72 × Cite Format Result Cite Review PDF
Matłoka, Marian A double integral of fuzzy mapping. (English) Zbl 0718.26020 Fasc. Math. 19, 183-189 (1989). MSC: 26E50 × Cite Format Result Cite Review PDF
Wiśniewski, Henryk Jerzy Albrycht - His life and work. (English) Zbl 0718.01028 Fasc. Math. 19, 5-7 (1989). MSC: 01A70 01A65 × Cite Format Result Cite Review PDF
Marciniak, Andrzej Arbitrary order numerical solutions conserving constants of motion. (English) Zbl 0716.70016 Fasc. Math. 19, 161-173 (1989). MSC: 70F15 65Z05 × Cite Format Result Cite Review PDF
Ponsard, Claude Note on the ranking of fuzzy numbers: Conditions for a total order relation. (English) Zbl 0716.04004 Fasc. Math. 19, 203-205 (1989). MSC: 03E72 06A05 × Cite Format Result Cite Review PDF
Gupta, Madan M. Cognitive uncertainty and perception. (English) Zbl 0709.94702 Fasc. Math. 19, 93-96 (1989). MSC: 94-XX × Cite Format Result Cite Review PDF