@article{05875491, title = {Torsion-free constructive nilpotent }, journal = {Sibirskij Matematicheskij Zhurnal}, volume = {50}, year = {2009}, pages = {222-230}, zbl = {1212.20065}, language = {en}, url = {http://dml.mathdoc.fr/item/05875491} }
Khisamiev, N.G. Torsion-free constructive nilpotent . Sibirskij Matematicheskij Zhurnal, Tome 50 (2009) pp. 222-230. http://gdmltest.u-ga.fr/item/05875491/