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@article{IVM_1974_2_a11, author = {R. G. Rakhmankulov}, title = {Coexistence of cycles of a~continuous transformation of a~circle}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {97--106}, publisher = {mathdoc}, number = {2}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1974_2_a11/} }
R. G. Rakhmankulov. Coexistence of cycles of a~continuous transformation of a~circle. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1974), pp. 97-106. http://geodesic.mathdoc.fr/item/IVM_1974_2_a11/