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@article{DE_1983_19_10_a1, author = {Yu. L. Gaponenko}, title = {A condition for solvability of quasilinear boundary value problems}, journal = {Differencialʹnye uravneni\^a}, pages = {1667--1672}, publisher = {mathdoc}, volume = {19}, number = {10}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1983_19_10_a1/} }
Yu. L. Gaponenko. A condition for solvability of quasilinear boundary value problems. Differencialʹnye uravneniâ, Tome 19 (1983) no. 10, pp. 1667-1672. http://geodesic.mathdoc.fr/item/DE_1983_19_10_a1/