Document Type : Survey
. (2006). . Mathematical Culture and Thought, 25(2), 21-36.
. "", Mathematical Culture and Thought, 25, 2, 2006, 21-36.
. (2006). '', Mathematical Culture and Thought, 25(2), pp. 21-36.
, "," Mathematical Culture and Thought, 25 2 (2006): 21-36,
. . An Expository Journal of the Iranian Mathematical Society. 2006;25(2):21-36 (In Persian).