Document Type : Research Paper
Ouyang,L. (2011). Extensions of Nilpotent P.P. Rings. Bulletin of the Iranian Mathematical Society, 36(No. 2), 169-184.
Ouyang,L. . "Extensions of Nilpotent P.P. Rings", Bulletin of the Iranian Mathematical Society, 36, No. 2, 2011, 169-184.
Ouyang L. (2011). 'Extensions of Nilpotent P.P. Rings', Bulletin of the Iranian Mathematical Society, 36(No. 2), pp. 169-184.
L. Ouyang, "Extensions of Nilpotent P.P. Rings," Bulletin of the Iranian Mathematical Society, 36 No. 2 (2011): 169-184,
Ouyang L. Extensions of Nilpotent P.P. Rings. BIMS, 2011; 36(No. 2): 169-184.