Celebratio Mathematica

I. M. Sing­er: “Fu­ture ex­ten­sions of in­dex the­ory and el­lipt­ic op­er­at­ors,” pp. 171–​185 in F. Hirzebruch, L. Hör­mander, J. Mil­nor, J.-P. Serre, and I. M. Sing­er: Pro­spects in math­em­at­ics (Prin­ceton, NJ, 16–18 March 1970). An­nals of Math­em­at­ics Stud­ies 70. Prin­ceton Uni­versity Press, 1971. A Rus­si­an trans­la­tion was pub­lished in Matem­atika 18:1 (1974). MR 343319 Zbl 0247.​58011 incollection

F. Hirzebruch, L. Hör­mander, J. Mil­nor, J.-P. Serre, and I. M. Sing­er: Pro­spects in math­em­at­ics. An­nals of Math­em­at­ics Stud­ies 70. Prin­ceton Uni­versity Press, 1971. Zbl 0233.​00003 book