作者	M.S.Osborne 著
出版社
出版时间	2003-06-01

特色：

Fiveyearsago,Itaughtaone-quartercourseinhomologicalalgebra.Idiscoveredthattherewasnobookwhichwasreallysuitableasatextforsuchashortcourse,soIdecidedtowriteone.ThepointwastocoverbothExtandTotearly,andstillhaveenoughmaterialforalargercourse(onesemesterortwoquarters)goingoffinanyofseveralpossibledirections.Thisbookis'alsointendedtobereadableenoughforindependentstudy.