Celebratio Mathematica

M. Schar­le­mann: “Out­er­most forks and a the­or­em of Jaco,” pp. 189–​193 in Com­bin­at­or­i­al meth­ods in to­po­logy and al­geb­ra­ic geo­metry (Rochester, NY, 29 June–2 Ju­ly 1982). Edi­ted by J. R. Harp­er and R. Man­del­baum. Con­tem­por­ary Math­em­at­ics 44. Amer­ic­an Math­em­at­ic­al So­ci­ety (Provid­ence, RI), 1985. Con­fer­ence in hon­or of Ar­thur M. Stone. MR 813113 Zbl 0589.​57011 incollection