-neighborhood groups.
Ahsanullah, T.M.G.; Al-Thukair, Fawzi
International Journal of Mathematics and Mathematical Sciences (2004)
- Volume: 2004, Issue: 13-16, page 703-719
- ISSN: 0161-1712
Ahsanullah, T.M.G.; Al-Thukair, Fawzi
International Journal of Mathematics and Mathematical Sciences (2004)