Document Type : Translation
. (2001). . Mathematical Culture and Thought, 20(1), 17-30.
. "", Mathematical Culture and Thought, 20, 1, 2001, 17-30.
. (2001). '', Mathematical Culture and Thought, 20(1), pp. 17-30.
, "," Mathematical Culture and Thought, 20 1 (2001): 17-30,
. . An Expository Journal of the Iranian Mathematical Society. 2001;20(1):17-30 (In Persian).
