TY - BOOK AU - Fleury,P.J. ED - George H. Hudson Symposium TI - Advances in non-commutative ring theory: proceedings of the Twelfth George H. Hudson Symposium, held at Plattsburgh USA April 23-25, 1981 SN - 3540115978 PY - 1981/// CY - Berlin PB - Springer-Verlag KW - Noncommutative rings KW - Congresses N1 - Includes bibliographical references ER -