@article{DAN_1993_329_5_a3, author = {M. Imanaliev and S. N. Alekseenko}, title = {On the theory of nonlinear equations with a differential operator}, journal = {Doklady Akademii Nauk}, pages = {543--546}, publisher = {mathdoc}, volume = {329}, number = {5}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1993_329_5_a3/} }