Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1969_189_3_a7, author = {A. I. Perov and T. K. Katsaran}, title = {Nonlinear multidimensional differential equations}, journal = {Doklady Akademii Nauk}, pages = {479--482}, publisher = {mathdoc}, volume = {189}, number = {3}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1969_189_3_a7/} }
A. I. Perov; T. K. Katsaran. Nonlinear multidimensional differential equations. Doklady Akademii Nauk, Tome 189 (1969) no. 3, pp. 479-482. http://geodesic.mathdoc.fr/item/DAN_1969_189_3_a7/