Celebratio Mathematica

F. Hirzebruch: “The sig­na­ture the­or­em: Re­min­is­cences and re­cre­ation,” pp. 3–​31 in F. Hirzebruch, L. Hör­mander, J. Mil­nor, J.-P. Serre, and I. Sing­er: Pro­spects in math­em­at­ics (Prin­ceton, NJ, 16–18 March 1970). An­nals of Math­em­at­ics Stud­ies 70. Prin­ceton Uni­versity Press, 1971. MR 368023 Zbl 0252.​58009 incollection

F. Hirzebruch and D. Za­gi­er: “In­ter­sec­tion num­bers of curves on Hil­bert mod­u­lar sur­faces and mod­u­lar forms of Nebenty­pus,” In­vent. Math. 36 : 1 (1976), pp. 57–​113. To Jean-Pierre Serre. A short sum­mary was pub­lished in Delange–Pisot–Poit­ou sem­in­ar: Num­ber the­ory (1977). MR 453649 Zbl 0332.​14009 article