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@article{IVM_1961_4_a16, author = {Sh. I. Nanava}, title = {Letter to the editors}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {160}, publisher = {mathdoc}, number = {4}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1961_4_a16/} }
Sh. I. Nanava. Letter to the editors. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1961). http://geodesic.mathdoc.fr/item/IVM_1961_4_a16/