Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1995_31_2_a15, author = {S. I. Pokhozhaev}, title = {On the {Maslov} equations}, journal = {Differencialʹnye uravneni\^a}, pages = {338--349}, publisher = {mathdoc}, volume = {31}, number = {2}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1995_31_2_a15/} }
S. I. Pokhozhaev. On the Maslov equations. Differencialʹnye uravneniâ, Tome 31 (1995) no. 2, pp. 338-349. http://geodesic.mathdoc.fr/item/DE_1995_31_2_a15/