Georgieva, P. I. \(\omega\)-relatively convex subgroups. (Bulgarian. English, German summaries) Zbl 0536.06017 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 97-104 (1981). Reviewer: K.Todorov MSC: 06F15 × Cite Format Result Cite Review PDF
G”rnevska, L. V. On the rate of approximation of functions by \((c,\alpha>0)\)-means of their orthogonal expansions. (Bulgarian. German, Russian summaries) Zbl 0531.41026 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 161-180 (1981). Reviewer: V.A.Baskakov MSC: 41A60 41A25 × Cite Format Result Cite Review PDF
Georgieva, P. I. \(\omega\)-orders in metabelian groups. (Bulgarian. German, Russian summaries) Zbl 0531.06010 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 105-112 (1981). Reviewer: K.Todorov MSC: 06F15 × Cite Format Result Cite Review PDF
Genev, V. N. Normed harmonic polynomials and some of their properties. (Bulgarian) Zbl 0529.42006 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 181-190 (1981). MSC: 42C05 33C45 × Cite Format Result Cite Review PDF
Desimirova, L. K.; Todorova, S. S. On a theorem of G. Pólya on the irreducibility of integral polynomials. (Bulgarian) Zbl 0525.12003 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 133-144 (1981). Reviewer: A. A. Bel’skiĭ MSC: 11C08 12D05 × Cite Format Result Cite Review PDF
Pirgov, D. T.; Kutirkov, G. A. Some theorems on the application of Pólya-type criteria for the irreducibility of integral polynomials. (Bulgarian) Zbl 0525.12002 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 123-132 (1981). Reviewer: A. A. Bel’skiĭ MSC: 12D10 11C08 26C05 × Cite Format Result Cite Review PDF
Iliev, M. D.; Marinov, M. S. Gluing of fiber sites. (Bulgarian) Zbl 0516.18013 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 53-58 (1981). MSC: 18F15 18F10 55S40 × Cite Format Result Cite Review PDF
Lefterov, S. S. On some functionals of the solutions of pseudoparabolic nonlinear equations. (Bulgarian) Zbl 0511.35053 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 47-52 (1981). MSC: 35K70 35K55 35B99 × Cite Format Result Cite Review PDF
Rashkova, Ts. G.; Rashkov, P. I. On a property of the Jacobson radical in a ring with finite group of automorphisms. (Bulgarian) Zbl 0511.16008 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 71-79 (1981). MSC: 16Nxx 16P60 16W20 × Cite Format Result Cite Review PDF
Pirgov, Dimitar T.; Kantardzhieva, Elena R. On a class of integer polynomials which are irreducible over the field of rational numbers. (Bulgarian) Zbl 0511.12001 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 113-122 (1981). MSC: 11R09 11C08 11A41 × Cite Format Result Cite Review PDF
Trendafilov, I. Integration in differential modules. I. (English) Zbl 0509.16019 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 59-70 (1981). MSC: 16W20 16S90 × Cite Format Result Cite Review PDF
Petrov, V. G. A boundary value problem for the Tricomi equation. (Bulgarian) Zbl 0507.35062 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 33-46 (1981). MSC: 35M99 35A05 × Cite Format Result Cite Review PDF
Shopolov, N. N. A boundary value problem for a mixed-parabolic equation with nonlocal condition. II. (Bulgarian) Zbl 0507.35038 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 19-32 (1981). MSC: 35K20 35K05 × Cite Format Result Cite Review PDF
Shopolov, N. N. A boundary value problem for a mixed-parabolic equation with nonlocal condition. I. (Bulgarian) Zbl 0507.35037 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 7-18 (1981). MSC: 35K20 35K05 × Cite Format Result Cite Review PDF
Peeva, K. G.; Mincheva, N. S. On some properties of semirings and semimodules. (Bulgarian) Zbl 0507.16026 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 81-88 (1981). MSC: 16Y60 × Cite Format Result Cite Review PDF
Karagaeva, T. A. Summation of series with the aid of systems of polynomials with regular asymptotic behaviour. (Bulgarian) Zbl 0503.40007 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16 (1980), No. 2, 145-160 (1981). MSC: 40G99 × Cite Format Result Cite Review PDF
Chimev, K. N. On structural properties of functions. (Bulgarian) Zbl 0501.94024 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 199-207 (1981). MSC: 94C10 03E20 × Cite Format Result Cite Review PDF
Chimev, K. N. On separable subsets of function arguments. (Bulgarian) Zbl 0501.94023 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 191-198 (1981). MSC: 94C10 03E20 × Cite Format Result Cite Review PDF
Deneva, G. S. On the approximation of a function in the interval (0,1) by even integer polynomials. (Bulgarian) Zbl 0499.41008 God. Vissh. Uchebn. Zaved., Prilozhna Mat. 16(1980), No. 2, 89-96 (1981). MSC: 41A10 × Cite Format Result Cite Review PDF