It was eight years earlier that Mittag-Leffler had been appointed as the first holder of the chair of mathematics at the newly founded University of Stockholm (called Stockholms Högskola at this time) so to be his student Fredholm had to study at Stockholm.
Ta oli kaheksa aastat varem, et Mittag-Leffler oli määratud esimene omanik juhatama matemaatika on äsja asutatud Stockholmi Ülikool (nn Stockholms Högskola sel ajal), nii et õpilane Fredholm oli uurida Stockholmis.