Editorial
(2014). Letter of Retraction. Bulletin of the Iranian Mathematical Society, 40(1), 293-293.
. "Letter of Retraction". Bulletin of the Iranian Mathematical Society, 40, 1, 2014, 293-293.
(2014). 'Letter of Retraction', Bulletin of the Iranian Mathematical Society, 40(1), pp. 293-293.
Letter of Retraction. Bulletin of the Iranian Mathematical Society, 2014; 40(1): 293-293.