Verschoren, A. When is a noncommutative scheme affine? (English) Zbl 0469.16012 Bull. Soc. Math. Belg., Sér. B 32, 47-56 (1980). MSC: 16Rxx 16Dxx 14A15 14A99 14H99 PDFBibTeX XMLCite \textit{A. Verschoren}, Bull. Soc. Math. Belg., Sér. B 32, 47--56 (1980; Zbl 0469.16012)
Sommer, Gustav Analytic 2-particle structure and crossing constraints. (English) Zbl 0457.46054 Complex analysis, microlocal calculus and relativistic quantum theory, Proc. Colloq., Les Houches 1979, Lect. Notes Phys. 126, 296-305 (1980). MSC: 46L60 46L55 81T05 81Q30 81U05 PDFBibTeX XML
Carter, David S.; Vogt, Andrew Collinearity-preserving functions between Desarguesian planes. (English) Zbl 0444.51004 Mem. Am. Math. Soc. 235, 98 p. (1980). MSC: 51A10 51A30 51E15 16L30 51A25 PDFBibTeX XMLCite \textit{D. S. Carter} and \textit{A. Vogt}, Collinearity-preserving functions between Desarguesian planes. Providence, RI: American Mathematical Society (AMS) (1980; Zbl 0444.51004) Full Text: DOI