TY - BOOK T1 - An introduction to homological algebra. T2 - Pure and applied mathematics A1 - Rotman, Joseph J. LA - English PP - New York PB - Academic Press YR - 1979 UL - https://ds.mainlib.upd.edu.ph/Record/UP-99796217607675268 OP - 376 CN - QA3 P8 v.85 KW - Algebra, Homological. ER -