. (2014). Bulletin of the Iranian Mathematical Society. (e478). Bulletin of the Iranian Mathematical Society, 40(1), e478

. "Bulletin of the Iranian Mathematical Society" .e478 , Bulletin of the Iranian Mathematical Society, 40, 1, 2014, e478.

. (2014). 'Bulletin of the Iranian Mathematical Society', Bulletin of the Iranian Mathematical Society, 40(1), e478.

, "Bulletin of the Iranian Mathematical Society," Bulletin of the Iranian Mathematical Society, 40 1 (2014): e478,

. Bulletin of the Iranian Mathematical Society. BIMS. 2014;40(1):e478.