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@article{DE_1991_27_12_a0, author = {S. A. Brykalov}, title = {Solvability of a nonlinear boundary value problem in a fixed set of functions}, journal = {Differencialʹnye uravneni\^a}, pages = {2027--2033}, publisher = {mathdoc}, volume = {27}, number = {12}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1991_27_12_a0/} }
S. A. Brykalov. Solvability of a nonlinear boundary value problem in a fixed set of functions. Differencialʹnye uravneniâ, Tome 27 (1991) no. 12, pp. 2027-2033. http://geodesic.mathdoc.fr/item/DE_1991_27_12_a0/