01071nas 2200385- 450 991089511430332120240118213020.02357-0482(OCoLC)1076478460(CKB)4100000003786540(CONSER)--2020256144(DE-599)ZDB2942995-X(EXLCZ)99410000000378654020181029a20179999 --- -engurunu||||||||txtrdacontentcrdamediacrrdacarrierResearch in applied mathematicsEgypt :AgiAl Publishing House,2017-1 online resourceRefereed/Peer-reviewed2357-0474 RAMMathematicsPeriodicalsMathematicsfast(OCoLC)fst01012163Periodicals.fastPeriodicals.lcgftMathematicsMathematics.JOURNAL9910895114303321Research in applied mathematics1775612UNINA