Document Type : Translation
. (2004). . Mathematical Culture and Thought, 23(2), 21-29.
. "", Mathematical Culture and Thought, 23, 2, 2004, 21-29.
. (2004). '', Mathematical Culture and Thought, 23(2), pp. 21-29.
, "," Mathematical Culture and Thought, 23 2 (2004): 21-29,
. . An Expository Journal of the Iranian Mathematical Society. 2004;23(2):21-29 (In Persian).
