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@article{IVM_1993_9_a4, author = {V. A. Mirzoyan}, title = {Submanifolds with parallel {Ricci} tensor in {Euclidean} spaces}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {22--27}, publisher = {mathdoc}, number = {9}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1993_9_a4/} }
V. A. Mirzoyan. Submanifolds with parallel Ricci tensor in Euclidean spaces. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1993), pp. 22-27. http://geodesic.mathdoc.fr/item/IVM_1993_9_a4/