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@article{DAN_1981_257_2_a5, author = {S. I. Pokhozhaev}, title = {On subordinate operators of nonlinear equations}, journal = {Doklady Akademii Nauk}, pages = {282--286}, publisher = {mathdoc}, volume = {257}, number = {2}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1981_257_2_a5/} }
S. I. Pokhozhaev. On subordinate operators of nonlinear equations. Doklady Akademii Nauk, Tome 257 (1981) no. 2, pp. 282-286. http://geodesic.mathdoc.fr/item/DAN_1981_257_2_a5/