Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1968_3_5_a0, author = {V. M. Busarkin}, title = {On 2-isolated subgroups}, journal = {Matemati\v{c}eskie zametki}, pages = {497--501}, publisher = {mathdoc}, volume = {3}, number = {5}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1968_3_5_a0/} }
V. M. Busarkin. On 2-isolated subgroups. Matematičeskie zametki, Tome 3 (1968) no. 5, pp. 497-501. http://geodesic.mathdoc.fr/item/MZM_1968_3_5_a0/