Document Type : Survey
. (2001). . Mathematical Culture and Thought, 20(2), 37-48.
. "", Mathematical Culture and Thought, 20, 2, 2001, 37-48.
. (2001). '', Mathematical Culture and Thought, 20(2), pp. 37-48.
, "," Mathematical Culture and Thought, 20 2 (2001): 37-48,
. . An Expository Journal of the Iranian Mathematical Society. 2001;20(2):37-48 (In Persian).
