Celebratio Mathematica

incollection L. Sieben­mann: “Amorces de la chirur­gie en di­men­sion quatre: un $S^3\times \mathbf{R}$ exotique [d’après An­drew J. Cas­son et Mi­chael H. Freed­man],” pp. 183–​207 in Sémin­aire Bourbaki (1978/79). Lec­ture Notes in Math­em­at­ics 770. Spring­er (Ber­lin), 1980. Ex­posé no. 536. MR 572425 Zbl 0444.​57021

incollection A. Cas­son and M. Freed­man: “Atom­ic sur­gery prob­lems,” pp. 181–​199 in Four-man­i­fold the­ory (Durham, NH, Ju­ly 4–10, 1982). Edi­ted by C. Gor­don and R. C. Kirby. Con­tem­por­ary Math­em­at­ics 35. Amer­ic­an Math­em­at­ic­al So­ci­ety (Provid­ence, RI), 1984. MR 0780579 Zbl 0559.​57008