Document Type : Survey
. (2004). . Mathematical Culture and Thought, 23(1), 7-18.
. "", Mathematical Culture and Thought, 23, 1, 2004, 7-18.
. (2004). '', Mathematical Culture and Thought, 23(1), pp. 7-18.
, "," Mathematical Culture and Thought, 23 1 (2004): 7-18,
. . An Expository Journal of the Iranian Mathematical Society. 2004;23(1):7-18 (In Persian).