Which Cayley graphs are integral? Abdollahi, A.; Vatandoost, E. — 2009 The Electronic Journal of Combinatorics [electronic only]
Integral quartic Cayley graphs on Abelian groups. Abdollahi, A.; Vatandoost, E. — 2011 The Electronic Journal of Combinatorics [electronic only]
The symmetric group of degree six can be covered by 13 and no fewer proper subgroups. Abdollahi, A.; Ashraf, F.; Shaker, S.M. — 2007 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
Characterization of abelian-by-cyclic 3-rewritable groups A. Abdollahi; A. Mohammadi Hassanabadi — 2004 Rendiconti del Seminario Matematico della Università di Padova