Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1990_9_a1, author = {V. A. Igoshin}, title = {Homomorphisms of quasigeodesic flows of the second degree}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {14--21}, publisher = {mathdoc}, number = {9}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1990_9_a1/} }
V. A. Igoshin. Homomorphisms of quasigeodesic flows of the second degree. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1990), pp. 14-21. http://geodesic.mathdoc.fr/item/IVM_1990_9_a1/