Author = B. DAVVAZ
TRANSITIVITY OF  -RELATION ON HYPERMODULES

Volume 32, Issue 3, September and October 2008, Pages 197-205

S. M ANVARIYEH; S. MIRVAKILI; B. DAVVAZ


N-ARY HYPERGROUPS

Volume 30, Issue 2, September and October 2006, Pages 165-174

B. DAVVAZ; T. VOUGIOUKLIS


DIRECT SYSTEM AND DIRECT LIMIT OF v H -MODULES

Volume 28, Issue 2, November and December 2004, Pages 267-275

M. GHADIRI; B. DAVVAZ