@article{paperid:1004169,
author = {Rajabzadeh Moghaddam, Mohammad Reza},
title = {Covering Groups With Respect to Two Varieties of Groups},
journal = {Southeast Asian Bulletin of Mathematics},
year = {2007},
month = {December},
issn = {0129-2021},
keywords = {Covering Groups With Respect to Two Varieties of Groups},
}