@article{GDZPPN002410737, title = {Residual ...-Centrality in Groups.}, journal = {Mathematische Zeitschrift}, volume = {129}, year = {1972}, pages = {1-5}, url = {http://dml.mathdoc.fr/item/GDZPPN002410737} }
Stanley, Terence E. Residual ...-Centrality in Groups.. Mathematische Zeitschrift, Tome 129 (1972) pp. 1-5. http://gdmltest.u-ga.fr/item/GDZPPN002410737/