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@article{DE_1984_20_12_a2, author = {V. I. Gromak}, title = {Nonlinear evolution equations and equations of $P$-type}, journal = {Differencialʹnye uravneni\^a}, pages = {2042--2048}, publisher = {mathdoc}, volume = {20}, number = {12}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1984_20_12_a2/} }
V. I. Gromak. Nonlinear evolution equations and equations of $P$-type. Differencialʹnye uravneniâ, Tome 20 (1984) no. 12, pp. 2042-2048. http://geodesic.mathdoc.fr/item/DE_1984_20_12_a2/