Advances in Non-Commutative Ring Theory: Proceedings of the Twelfth George H. Hudson Symposium, Held at Plattsburgh, U.S.A., April 23-25, 1981 (Lecture Notes in Mathematics, 951) | EKB DL
Advances in Non-Commutative Ring Theory: Proceedings of the Twelfth George H. Hudson Symposium, Held at Plattsburgh, U.S.A., April 23-25, 1981 (Lecture Notes in Mathematics, 951)
The Theory of Arithmetic Functions: Proceedings of the Conference at Western Michigan University, April 29 - May 1, 1971 (Lecture Notes in Mathematics, 251)