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@article{IVM_1961_6_a2, author = {R. M. Geidel'man}, title = {Conformal bending of two-parameter families of spheres}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {16--24}, publisher = {mathdoc}, number = {6}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1961_6_a2/} }
R. M. Geidel'man. Conformal bending of two-parameter families of spheres. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1961), pp. 16-24. http://geodesic.mathdoc.fr/item/IVM_1961_6_a2/