@inproceedings{paperid:1010613, author = {Erfanian, Ahmad}, title = {Some results on the mutually comuting n-tuples and n-th nilpotency degree of groups}, booktitle = {Advances in group theory and applications}, year = {2009}, location = {Lecce, ITALY}, keywords = {mutually comuting n-tuples; n-th nilpotency degree of groups}, }