. (2015). Bulletin of the Iranian Mathematical Society. (e672). Bulletin of the Iranian Mathematical Society, 41(5), e672

. "Bulletin of the Iranian Mathematical Society" .e672 , Bulletin of the Iranian Mathematical Society, 41, 5, 2015, e672.

. (2015). 'Bulletin of the Iranian Mathematical Society', Bulletin of the Iranian Mathematical Society, 41(5), e672.

, "Bulletin of the Iranian Mathematical Society," Bulletin of the Iranian Mathematical Society, 41 5 (2015): e672,

. Bulletin of the Iranian Mathematical Society. BIMS. 2015;41(5):e672.