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@article{IVM_1972_12_a8, author = {A. P. Norden}, title = {The structure of the connection on a~manifold of lines in a~non-euclidean space}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {84--94}, publisher = {mathdoc}, number = {12}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1972_12_a8/} }
A. P. Norden. The structure of the connection on a~manifold of lines in a~non-euclidean space. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1972), pp. 84-94. http://geodesic.mathdoc.fr/item/IVM_1972_12_a8/