@article{paperid:1060225, author = {Ganjali, Masoumeh and Erfanian, Ahmad}, title = {Perfect groups and normal subgroups related to an automorphism}, journal = {Ricerche di Matematica}, year = {2017}, volume = {66}, number = {2}, month = {January}, issn = {0035-5038}, pages = {407--413}, numpages = {6}, keywords = {Normal subgroupPerfect groupαα-Perfect groupαα-Normal subgroup}, }