Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1983_3_a12, author = {V. V. Vishnevskii}, title = {Geometric model of semitangent structures}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {73--75}, publisher = {mathdoc}, number = {3}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1983_3_a12/} }
V. V. Vishnevskii. Geometric model of semitangent structures. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1983), pp. 73-75. http://geodesic.mathdoc.fr/item/IVM_1983_3_a12/