Goursat, E. (1925). Le probleme de Backlund. Gauthier-Villars et cie.
Chicago Style (17th ed.) CitationGoursat, Edouard. Le Probleme De Backlund. Paris: Gauthier-Villars et cie, 1925.
MLA (9th ed.) CitationGoursat, Edouard. Le Probleme De Backlund. Gauthier-Villars et cie, 1925.
Warning: These citations may not always be 100% accurate.