Document Type : Translation
. (2010). . Mathematical Culture and Thought, 29(1), 81-90.
. "", Mathematical Culture and Thought, 29, 1, 2010, 81-90.
. (2010). '', Mathematical Culture and Thought, 29(1), pp. 81-90.
, "," Mathematical Culture and Thought, 29 1 (2010): 81-90,
. . An Expository Journal of the Iranian Mathematical Society. 2010;29(1):81-90 (In Persian).
