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@article{DE_1989_25_12_a4, author = {S. A. Brykalov}, title = {A nonlinear boundary value problem with break points of solutions}, journal = {Differencialʹnye uravneni\^a}, pages = {2066--2075}, publisher = {mathdoc}, volume = {25}, number = {12}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1989_25_12_a4/} }
S. A. Brykalov. A nonlinear boundary value problem with break points of solutions. Differencialʹnye uravneniâ, Tome 25 (1989) no. 12, pp. 2066-2075. http://geodesic.mathdoc.fr/item/DE_1989_25_12_a4/