پديدآورندگان :
Sadatrasul Yasaman yasamansadatrasul@gmail.com Department of Mathematics, Faculty of Sciences, Imam Khomeini International University, Qazvin 34149-1-6818, Iran. , Payrovi Shiroyeh shpayrovi@sci.ikiu.ac.ir Department of Mathematics, Faculty of Sciences, Imam Khomeini International University, Qazvin 34149-1-6818, Iran.