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@article{MZM_1991_50_3_a0, author = {S. Z. Arutyunyan}, title = {The~geometry of submanifolds of a {pseudo-Euclidean} space $E^n_{2n}$}, journal = {Matemati\v{c}eskie zametki}, pages = {3--11}, publisher = {mathdoc}, volume = {50}, number = {3}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_50_3_a0/} }
S. Z. Arutyunyan. The~geometry of submanifolds of a pseudo-Euclidean space $E^n_{2n}$. Matematičeskie zametki, Tome 50 (1991) no. 3, pp. 3-11. http://geodesic.mathdoc.fr/item/MZM_1991_50_3_a0/