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@article{DAN_1958_121_5_a11, author = {P. I. Shveikin}, title = {Invariant constructions on $m$-dimentional surface in $n$-dimentional affine space}, journal = {Doklady Akademii Nauk}, pages = {811--814}, publisher = {mathdoc}, volume = {121}, number = {5}, year = {1958}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1958_121_5_a11/} }
P. I. Shveikin. Invariant constructions on $m$-dimentional surface in $n$-dimentional affine space. Doklady Akademii Nauk, Tome 121 (1958) no. 5, pp. 811-814. http://geodesic.mathdoc.fr/item/DAN_1958_121_5_a11/