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@article{IVM_1975_3_a2, author = {A. K. Guts}, title = {Mappings of families of sets in {Hilbert} space}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {23--29}, publisher = {mathdoc}, number = {3}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1975_3_a2/} }
A. K. Guts. Mappings of families of sets in Hilbert space. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1975), pp. 23-29. http://geodesic.mathdoc.fr/item/IVM_1975_3_a2/