Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1987_17_2a_1, author = {Michalski J.}, title = {Associated k-groups of n-groups}, journal = {Novi Sad Journal of Mathematics}, pages = {9-30}, publisher = {mathdoc}, volume = {17}, number = {2}, year = {1987}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1987_17_2a_1/} }
Michalski J. Associated k-groups of n-groups. Novi Sad Journal of Mathematics, Tome 17 (1987) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_1987_17_2a_1/