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@article{IVM_1990_9_a3, author = {\"U. G. Lumiste}, title = {Irreducible normally flat semisymmetric {submanifolds.~II}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {31--40}, publisher = {mathdoc}, number = {9}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1990_9_a3/} }
Ü. G. Lumiste. Irreducible normally flat semisymmetric submanifolds.~II. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1990), pp. 31-40. http://geodesic.mathdoc.fr/item/IVM_1990_9_a3/