Verdier, J. L. Équivalence essentielle des systèmes projectifs. (French) Zbl 0135.02203 C. R. Acad. Sci., Paris 261, 4950-4953 (1965). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 7 Documents Keywords:general algebraic structures PDFBibTeX XMLCite \textit{J. L. Verdier}, C. R. Acad. Sci., Paris 261, 4950--4953 (1965; Zbl 0135.02203)