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@article{IVM_1970_1_a12, author = {V. P. Fedotov}, title = {Differentiation in certain topological groups}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {91--97}, publisher = {mathdoc}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1970_1_a12/} }
V. P. Fedotov. Differentiation in certain topological groups. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1970), pp. 91-97. http://geodesic.mathdoc.fr/item/IVM_1970_1_a12/