Document Type : Translation
. (2002). . Mathematical Culture and Thought, 21(1), 27-39.
. "", Mathematical Culture and Thought, 21, 1, 2002, 27-39.
. (2002). '', Mathematical Culture and Thought, 21(1), pp. 27-39.
, "," Mathematical Culture and Thought, 21 1 (2002): 27-39,
. . An Expository Journal of the Iranian Mathematical Society. 2002;21(1):27-39 (In Persian).