Document Type : Translation
. (2013). . Mathematical Culture and Thought, 31(3), 51-58.
. "", Mathematical Culture and Thought, 31, 3, 2013, 51-58.
. (2013). '', Mathematical Culture and Thought, 31(3), pp. 51-58.
, "," Mathematical Culture and Thought, 31 3 (2013): 51-58,
. . An Expository Journal of the Iranian Mathematical Society. 2013;31(3):51-58 (In Persian).
