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@article{IVM_1990_8_a5, author = {\"U. G. Lumiste}, title = {Irreducible normally flat semisymmetric {submanifolds.~I}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {45--53}, publisher = {mathdoc}, number = {8}, year = {1990}, language = {ru}, url = {https://geodesic-test.mathdoc.fr/item/IVM_1990_8_a5/} }
Ü. G. Lumiste. Irreducible normally flat semisymmetric submanifolds.~I. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1990), pp. 45-53. https://geodesic-test.mathdoc.fr/item/IVM_1990_8_a5/