TY - GEN AU - Enochs, Edgar E TI - Relative homological algebra - Vol.1 SN - 9783110215205 U1 - 512.55 PY - 2011/// CY - Berlin PB - De Gruyter KW - Algebra KW - Homological KW - Relative KW - Modules N1 - It includes bibliographical references and index ER -