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@article{IVM_1968_6_a11, author = {M. I. Revyakov}, title = {A~certain property of the conformal radius}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {84--89}, publisher = {mathdoc}, number = {6}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1968_6_a11/} }
M. I. Revyakov. A~certain property of the conformal radius. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1968), pp. 84-89. http://geodesic.mathdoc.fr/item/IVM_1968_6_a11/