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@article{DAN_1961_139_3_a5, author = {E. T. Ivlev}, title = {Coordinate frames of submanifolds in the theory of pairs of complexes in $P_3$}, journal = {Doklady Akademii Nauk}, pages = {538--540}, publisher = {mathdoc}, volume = {139}, number = {3}, year = {1961}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1961_139_3_a5/} }
E. T. Ivlev. Coordinate frames of submanifolds in the theory of pairs of complexes in $P_3$. Doklady Akademii Nauk, Tome 139 (1961) no. 3, pp. 538-540. http://geodesic.mathdoc.fr/item/DAN_1961_139_3_a5/