TY - BOOK AU - Fossum,Robert M. AU - Griffith,Phillip A. AU - Reiten,Idun TI - Trivial extensions of Abelian categories: homological algebra of trivial extensions of Abelian categories with applications to ring theory SN - 0387071598 : U1 - 510.82 PY - 1975/// CY - Berlin PB - Springer-Verlag KW - Commutative rings KW - Associative rings KW - Abelian categories N1 - Includes bibliographical references and index ER -