@inproceedings{paperid:1027722, author = {Azam Pourmirzaei and Hassanzadeh, Mitra and Kayvanfar, Saeed}, title = {On the Nilpotency of a Pair of Groups}, booktitle = {Fourth Group Theory Conference of Iran}, year = {2012}, location = {Isfahan, IRAN}, keywords = {Pair of groups; ; Nilpotent group; Central series}, }