. (2015). Bulletin of the Iranian Mathematical Society. (e630). Bulletin of the Iranian Mathematical Society, 41(3), e630

. "Bulletin of the Iranian Mathematical Society" .e630 , Bulletin of the Iranian Mathematical Society, 41, 3, 2015, e630.

. (2015). 'Bulletin of the Iranian Mathematical Society', Bulletin of the Iranian Mathematical Society, 41(3), e630.

, "Bulletin of the Iranian Mathematical Society," Bulletin of the Iranian Mathematical Society, 41 3 (2015): e630,

. Bulletin of the Iranian Mathematical Society. BIMS. 2015;41(3):e630.