@article{paperid:512,
author = {Rajabzadeh Moghaddam, Mohammad Reza and  -,  -},
title = {Ultra Isologism of Groups},
journal = {Southeast Asian Bulletin of Mathematics},
year = {2006},
number = {30},
month = {February},
issn = {0129-2021},
pages = {301--310},
			numpages = {9},
keywords = {Variety of groups; Verbal and marginal subgroups; Isologism; Ultra isolo-
gism; Hop¯an property},
}