Karl Weierstrass (category CS1 German-language sources (de))
was first observed by Weierstrass's advisor, Christoph Gudermann, in an 1838 paper, where Gudermann noted the phenomenon but did not define it or elaborate...
16 KB (1,620 words) - 11:26, 13 June 2024
Principes de la théorie des fonctions elliptiques et applications (Paris, Gauthier Villars, 1897) (in French) G. H. Halphen Traité des fonctions elliptiques...
70 KB (12,521 words) - 15:59, 19 June 2024