Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1960_135_2_a5, author = {Yu. I. Neimark and V. N. Gol'dberg}, title = {Existence theorems for nonlinear mixed problems}, journal = {Doklady Akademii Nauk}, pages = {262--265}, publisher = {mathdoc}, volume = {135}, number = {2}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_135_2_a5/} }
Yu. I. Neimark; V. N. Gol'dberg. Existence theorems for nonlinear mixed problems. Doklady Akademii Nauk, Tome 135 (1960) no. 2, pp. 262-265. http://geodesic.mathdoc.fr/item/DAN_1960_135_2_a5/