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@article{IVM_1996_7_a0, author = {A. V. Aminova and S. A. Zorin}, title = {Geodesic structure of four-dimensional {P.} {A.} {Shirokov} spaces}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {3--17}, publisher = {mathdoc}, number = {7}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1996_7_a0/} }
A. V. Aminova; S. A. Zorin. Geodesic structure of four-dimensional P. A. Shirokov spaces. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1996), pp. 3-17. http://geodesic.mathdoc.fr/item/IVM_1996_7_a0/