00747nam0-22002651i-450-990001286780403321000128678FED01000128678(Aleph)000128678FED0100012867820000920d1968----km-y0itay50------baengNotes on homological algebraby ROTMAN JosephNew YorkVan Nostrand Reinholdpref .1968Van Nostrand Reinhold Mathematical Studies n.26Rotman,Joseph J.58666ITUNINARICAUNIMARCBK99000128678040332126-M-2612205MA1MA1Notes on homological algebra384648UNINAING01