"“ (1913 in einem Brief an Hermann Amandus Schwarz)== Schriften ==*"Zur Theorie der Modulargleichungen der elliptischen Functionen", Dissertation, Heidelberg 1870. ###>In a letter to Philip Jourdain in 1905 he wrote:Later on Cantor changed his attitude:== Some papers and books by Kőnig ==*"Zur Theorie der Modulargleichungen der elliptischen Functionen", Thesis, Heidelberg 1870.