Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1990_3_a16, author = {A. R. Chekhlov}, title = {Abelian torsion-free $CS$-groups}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {84--87}, publisher = {mathdoc}, number = {3}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1990_3_a16/} }
A. R. Chekhlov. Abelian torsion-free $CS$-groups. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1990), pp. 84-87. http://geodesic.mathdoc.fr/item/IVM_1990_3_a16/