Ovsienko, V., & Tabachnikov, S. (2005). Projective differential geometry old and new: From the Schwarzian derivative to the cohomology of diffomorphism groups. Cambridge University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ovsienko, V., και Serge Tabachnikov. Projective Differential Geometry Old and New: From the Schwarzian Derivative to the Cohomology of Diffomorphism Groups. Cambridge: Cambridge University Press, 2005.
Παραπομπή σε μορφή MLA (8th εκδ.)Ovsienko, V., και Serge Tabachnikov. Projective Differential Geometry Old and New: From the Schwarzian Derivative to the Cohomology of Diffomorphism Groups. Cambridge University Press, 2005.
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