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@article{DE_1979_15_7_a10, author = {A. V. Bitsadze}, title = {A system of nonlinear partial differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1267--1270}, publisher = {mathdoc}, volume = {15}, number = {7}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1979_15_7_a10/} }
A. V. Bitsadze. A system of nonlinear partial differential equations. Differencialʹnye uravneniâ, Tome 15 (1979) no. 7, pp. 1267-1270. http://geodesic.mathdoc.fr/item/DE_1979_15_7_a10/