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@article{DAN_1977_236_4_a8, author = {A. V. Chakmazyan}, title = {A {Norden} normalized submanifold of $P_n$ with a parallel field of normal directions}, journal = {Doklady Akademii Nauk}, pages = {816--819}, publisher = {mathdoc}, volume = {236}, number = {4}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_236_4_a8/} }
A. V. Chakmazyan. A Norden normalized submanifold of $P_n$ with a parallel field of normal directions. Doklady Akademii Nauk, Tome 236 (1977) no. 4, pp. 816-819. http://geodesic.mathdoc.fr/item/DAN_1977_236_4_a8/