Publishers
Department
of Pure Mathematics, Ferdowsi University of Mashhad
Tusi
Mathematical Research Group (TMRG)
in cooperation with
Center
of Excellence in Analysis on Algebraic Structures (CEAAS)
Address: Department of Pure Mathematics, Ferdowsi
University of Mashhad, P.O. Box 1159, Mashhad 91775, Iran.
Tel: +98-51-38806207
E-mail: bmashf@um.ac.ir and vishki@um.ac.ir