Celebratio Mathematica

K. Ku­per­berg: “Counter­examples to the Seifert con­jec­ture,” pp. 831–​840 in Pro­ceed­ings of the In­ter­na­tion­al Con­gress of Math­em­aticians, volume 2: In­vited lec­tures (Ber­lin, 18–27 Au­gust 1998), published as Doc. Math. Ex­tra Volume. Issue edi­ted by G. Fisc­her and U. Rehmann. Deutsche Math­em­atiker-Ver­ein­i­gung (Ber­lin), 1998. Ded­ic­ated to the au­thor’s son Greg. MR 1648130 Zbl 0924.​58086 incollection