Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1994_7_a1, author = {E. V. Voskresenskii}, title = {Lyapunov groups of transformations}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {13--19}, publisher = {mathdoc}, number = {7}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1994_7_a1/} }
E. V. Voskresenskii. Lyapunov groups of transformations. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1994), pp. 13-19. http://geodesic.mathdoc.fr/item/IVM_1994_7_a1/