Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1967_7_a7, author = {E. M. Levich}, title = {Triangulability of groups}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {70--77}, publisher = {mathdoc}, number = {7}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1967_7_a7/} }
E. M. Levich. Triangulability of groups. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1967), pp. 70-77. http://geodesic.mathdoc.fr/item/IVM_1967_7_a7/