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@article{IVM_1995_7_a3, author = {V. I. Marmazeev}, title = {Naturally reductive reducible $R\Sigma$-spaces}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {28--37}, publisher = {mathdoc}, number = {7}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1995_7_a3/} }
V. I. Marmazeev. Naturally reductive reducible $R\Sigma$-spaces. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1995), pp. 28-37. http://geodesic.mathdoc.fr/item/IVM_1995_7_a3/