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@article{IVM_1983_2_a7, author = {Ya. L. Shapiro and V. A. Igoshin}, title = {Mappings that preserve trajectories of quasigeodesic flows}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {72--79}, publisher = {mathdoc}, number = {2}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1983_2_a7/} }
Ya. L. Shapiro; V. A. Igoshin. Mappings that preserve trajectories of quasigeodesic flows. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1983), pp. 72-79. http://geodesic.mathdoc.fr/item/IVM_1983_2_a7/