Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1985_37_5_a4, author = {Yu. V. Kuz'min}, title = {Elements of order~2 in a free centrally solvable group}, journal = {Matemati\v{c}eskie zametki}, pages = {643--652}, publisher = {mathdoc}, volume = {37}, number = {5}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1985_37_5_a4/} }
Yu. V. Kuz'min. Elements of order~2 in a free centrally solvable group. Matematičeskie zametki, Tome 37 (1985) no. 5, pp. 643-652. http://geodesic.mathdoc.fr/item/MZM_1985_37_5_a4/