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@article{IVM_1974_8_a7, author = {V. S. Lenev}, title = {The projective differential geometry of two-dimensional {nets.~II}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {54--57}, publisher = {mathdoc}, number = {8}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1974_8_a7/} }
V. S. Lenev. The projective differential geometry of two-dimensional nets.~II. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1974), pp. 54-57. http://geodesic.mathdoc.fr/item/IVM_1974_8_a7/