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@article{IVM_1985_3_a1, author = {L. B. Zelenko}, title = {Extensions of a~class of nonlinear operators in {Hilbert} {space.~II}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {9--19}, publisher = {mathdoc}, number = {3}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1985_3_a1/} }
L. B. Zelenko. Extensions of a~class of nonlinear operators in Hilbert space.~II. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1985), pp. 9-19. http://geodesic.mathdoc.fr/item/IVM_1985_3_a1/