Ovsienko, V., & Tabachnikov, S. (2005). Projective differential geometry old and new: From the Schwarzian derivative to the cohomology of diffomorphism groups. Cambridge University Press.
Chicago Style (17th ed.) CitationOvsienko, V., and Serge Tabachnikov. Projective Differential Geometry Old and New: From the Schwarzian Derivative to the Cohomology of Diffomorphism Groups. Cambridge: Cambridge University Press, 2005.
MLA (8th ed.) CitationOvsienko, V., and Serge Tabachnikov. Projective Differential Geometry Old and New: From the Schwarzian Derivative to the Cohomology of Diffomorphism Groups. Cambridge University Press, 2005.
Warning: These citations may not always be 100% accurate.