Document Type : Survey
. (2001). . Mathematical Culture and Thought, 20(2), 1-13.
. "", Mathematical Culture and Thought, 20, 2, 2001, 1-13.
. (2001). '', Mathematical Culture and Thought, 20(2), pp. 1-13.
, "," Mathematical Culture and Thought, 20 2 (2001): 1-13,
. . An Expository Journal of the Iranian Mathematical Society. 2001;20(2):1-13 (In Persian).
