Document Type : Review
. (1999). . Mathematical Culture and Thought, 18(2), 35-47.
. "", Mathematical Culture and Thought, 18, 2, 1999, 35-47.
. (1999). '', Mathematical Culture and Thought, 18(2), pp. 35-47.
, "," Mathematical Culture and Thought, 18 2 (1999): 35-47,
. . An Expository Journal of the Iranian Mathematical Society. 1999;18(2):35-47 (In Persian).
