Yoneda, N. On ext and exact sequences. (English) Zbl 0163.26902 J. Fac. Sci., Univ. Tokyo, Sect. I 8, 507-576 (1960). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 59 Documents Keywords:general algebraic structures PDFBibTeX XMLCite \textit{N. Yoneda}, J. Fac. Sci., Univ. Tokyo, Sect. I 8, 507--576 (1960; Zbl 0163.26902)