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@article{INTG_1980_11_a4, author = {D. D. Sokolov}, title = {Surfaces in {pseudo-Euclidean} space}, journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara}, pages = {177--201}, publisher = {mathdoc}, volume = {11}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/INTG_1980_11_a4/} }
D. D. Sokolov. Surfaces in pseudo-Euclidean space. Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara, Itogi Nauki i Tekhniki. Seriya "Problemy Geometrii", Tome 11 (1980), pp. 177-201. http://geodesic.mathdoc.fr/item/INTG_1980_11_a4/