Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1971_196_1_a4, author = {V. P. Grigor'ev}, title = {On solvability of mixed problems for a class of quasi-linear differential equations}, journal = {Doklady Akademii Nauk}, pages = {24--27}, publisher = {mathdoc}, volume = {196}, number = {1}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_196_1_a4/} }
V. P. Grigor'ev. On solvability of mixed problems for a class of quasi-linear differential equations. Doklady Akademii Nauk, Tome 196 (1971) no. 1, pp. 24-27. http://geodesic.mathdoc.fr/item/DAN_1971_196_1_a4/