پديدآورندگان :
Ghadimi Karim kghadimi@pnu.ac.ir Department of Mathematics, Payame Noor University, P.O. Box 19395-4697, Tehran, Iran. , Rezaei Akbar rezaei@pnu.ac.ir Department of Mathematics, Payame Noor University, P.O. Box 19395-4697, Tehran, Iran.
كليدواژه :
BE , algebra , ringoid , BE , ringoid