Document Type : Survey
. (2013). . Mathematical Culture and Thought, 32(2), 33-42.
. "", Mathematical Culture and Thought, 32, 2, 2013, 33-42.
. (2013). '', Mathematical Culture and Thought, 32(2), pp. 33-42.
, "," Mathematical Culture and Thought, 32 2 (2013): 33-42,
. . An Expository Journal of the Iranian Mathematical Society. 2013;32(2):33-42 (In Persian).
