TY - BOOK AU - Caenepeel,Stefaan AU - Verschoren,A. ED - Week on Algebra and Algebraic Geometry TI - Rings, Hopf algebras, and Brauer groups: proceedings of the Fourth Week on Algebra and Algebraic Geometry T2 - Lecture notes in pure and applied mathematics SN - 0824701534 (papel libre de acido) AV - QA247 W394 U1 - 512/.4 21 PY - 1998/// CY - New York PB - M. Dekker KW - Anillos (Álgebra) KW - Congresos KW - Álgebras de Hopf KW - Grupo de Brauer N1 - Includes bibliographical references and index ER -