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@article{DAN_1986_291_5_a9, author = {B. N. Pshenichnyi}, title = {Theorems on implicit functions for multivalued mappings}, journal = {Doklady Akademii Nauk}, pages = {1063--1067}, publisher = {mathdoc}, volume = {291}, number = {5}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1986_291_5_a9/} }
B. N. Pshenichnyi. Theorems on implicit functions for multivalued mappings. Doklady Akademii Nauk, Tome 291 (1986) no. 5, pp. 1063-1067. http://geodesic.mathdoc.fr/item/DAN_1986_291_5_a9/