In 1872, the publication of the theories of Karl Weierstrass (by his pupil E. Kossak), Eduard Heine, Georg Cantor, and Richard Dedekind was brought about.
Ring warsa 1872, kawedarang teori-teori Karl Weierstrass (olih sisyane E. Kossak), Eduard Heine, Georg Cantor, lan Richard Dedekind kalaksanain.