Document Type : Translation
. (2011). . Mathematical Culture and Thought, 30(2), 37-56.
. "", Mathematical Culture and Thought, 30, 2, 2011, 37-56.
. (2011). '', Mathematical Culture and Thought, 30(2), pp. 37-56.
, "," Mathematical Culture and Thought, 30 2 (2011): 37-56,
. . An Expository Journal of the Iranian Mathematical Society. 2011;30(2):37-56 (In Persian).