Some results on the orthogonal basis of a symmetry class of tensors

Orthogonal basis of the symmetry classes of tensors associated with the direct product of permutation groups

Darafsheh, M.R., (1999)

Semihypergroups and $S$-hypersystems

Davvaz, B., (2000)

A characterization of groups related to the linear groups $\rm PSL(n,2),\ n=5,6,7,8$

Darafsheh, M.R., (2000)