Document Type : Opinion
. (2002). . Mathematical Culture and Thought, 21(2), 31-53.
. "", Mathematical Culture and Thought, 21, 2, 2002, 31-53.
. (2002). '', Mathematical Culture and Thought, 21(2), pp. 31-53.
, "," Mathematical Culture and Thought, 21 2 (2002): 31-53,
. . An Expository Journal of the Iranian Mathematical Society. 2002;21(2):31-53 (In Persian).
