Document Type : Review
. (2011). . Mathematical Culture and Thought, 29(2), 41-50.
. "", Mathematical Culture and Thought, 29, 2, 2011, 41-50.
. (2011). '', Mathematical Culture and Thought, 29(2), pp. 41-50.
, "," Mathematical Culture and Thought, 29 2 (2011): 41-50,
. . An Expository Journal of the Iranian Mathematical Society. 2011;29(2):41-50 (In Persian).
