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@article{IVM_1971_5_a2, author = {V. A. Gaukhman}, title = {Almost complex structures on the manifold of tangent vectors}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {18--27}, publisher = {mathdoc}, number = {5}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1971_5_a2/} }
V. A. Gaukhman. Almost complex structures on the manifold of tangent vectors. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1971), pp. 18-27. http://geodesic.mathdoc.fr/item/IVM_1971_5_a2/