Filin, V. A. On antitone operators. (Russian) Zbl 0671.47044 Dokl. Akad. Nauk Tadzh. SSR 31, No. 5, 298-301 (1988). Reviewer: O.Hadzic MSC: 47H07 47J10 × Cite Format Result Cite Review PDF
Asimova, D. M.; Stetsenko, V. Ya. Monotone approximations to the solution of an operator equation. (Russian) Zbl 0508.47012 Dokl. Akad. Nauk Tadzh. SSR 25, 199-202 (1982). MSC: 47A50 65J10 46A40 × Cite Format Result Cite Review PDF
Kurtakov, K. Sh. Existenz nichtnegativer Lösungen der Resolventengleichung. (Russian) Zbl 0414.65030 Dokl. Akad. Nauk Tadzh. SSR 21, No. 10, 3-6 (1978). MSC: 65J15 47H07 47J25 × Cite Format Result Cite Review PDF