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@article{FAA_2000_34_2_a8, author = {C. Duval and V. Yu. Ovsienko}, title = {Lorentzian {Worldlines} and the {Schwarzian} {Derivative}}, journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a}, pages = {69--72}, publisher = {mathdoc}, volume = {34}, number = {2}, year = {2000}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/FAA_2000_34_2_a8/} }
C. Duval; V. Yu. Ovsienko. Lorentzian Worldlines and the Schwarzian Derivative. Funkcionalʹnyj analiz i ego priloženiâ, Tome 34 (2000) no. 2, pp. 69-72. http://geodesic.mathdoc.fr/item/FAA_2000_34_2_a8/