Document Type : Survey
. (2009). . Mathematical Culture and Thought, 27(2), 43-52.
. "", Mathematical Culture and Thought, 27, 2, 2009, 43-52.
. (2009). '', Mathematical Culture and Thought, 27(2), pp. 43-52.
, "," Mathematical Culture and Thought, 27 2 (2009): 43-52,
. . An Expository Journal of the Iranian Mathematical Society. 2009;27(2):43-52 (In Persian).
