Celebratio Mathematica

J. Feld­man, P. Hahn, and C. C. Moore: “Sec­tions for group ac­tions, and some ap­plic­a­tions,” pp. 167–​174 in Algèbres d’opérat­eurs et leurs ap­plic­a­tions en physique mathématique [Op­er­at­or al­geb­ras and their ap­plic­a­tions in math­em­at­ic­al phys­ics] (Mar­seille, 20–24 June 1977). Edi­ted by A. Connes, D. Kast­ler, and D. W. Robin­son. Col­loques In­ter­na­tionaux du Centre Na­tion­al de la Recher­che Sci­en­ti­fique 274. CNRS (Par­is), 1979. MR 560632 Zbl 0429.​28019 incollection