Document Type : Opinion
. (2006). . Mathematical Culture and Thought, 25(2), 37-47.
. "", Mathematical Culture and Thought, 25, 2, 2006, 37-47.
. (2006). '', Mathematical Culture and Thought, 25(2), pp. 37-47.
, "," Mathematical Culture and Thought, 25 2 (2006): 37-47,
. . An Expository Journal of the Iranian Mathematical Society. 2006;25(2):37-47 (In Persian).
