Document Type : Survey
. (2004). . Mathematical Culture and Thought, 23(2), 77-86.
. "", Mathematical Culture and Thought, 23, 2, 2004, 77-86.
. (2004). '', Mathematical Culture and Thought, 23(2), pp. 77-86.
, "," Mathematical Culture and Thought, 23 2 (2004): 77-86,
. . An Expository Journal of the Iranian Mathematical Society. 2004;23(2):77-86 (In Persian).
