Beukers, Frits; Kolk, Johan A. C.; Calabi, Eugenio Sums of generalized harmonic series and volumes. (English) Zbl 1514.11004 Calabi, Eugenio, Collected works. Edited by Jean-Pierre Bourguignon, Xiuxiong Chen and Simon Donaldson. Berlin: Springer. 705-711 (2021). MSC: 11-03 01A75 11B68 11M06 40A05 51M20 PDFBibTeX XMLCite \textit{F. Beukers} et al., in: Collected works. Edited by Jean-Pierre Bourguignon, Xiuxiong Chen and Simon Donaldson. Berlin: Springer. 705--711 (2021; Zbl 1514.11004)
Bourguignon, Jean-Pierre; Calabi, Eugenio; Eells, James; García-Prada, Oscar; Gromov, Misha Where does geometry go? A research and education perspective. (English) Zbl 1005.53002 Fernández, Marisa (ed.) et al., Global differential geometry: the mathematical legacy of Alfred Gray. Proceedings of the international congress on differential geometry held in memory of Professor Alfred Gray, Bilbao, Spain, September 18-23, 2000. Providence, RI: American Mathematical Society (AMS). Contemp. Math. 288, 442-457 (2001). MSC: 53-02 97-02 51-02 PDFBibTeX XMLCite \textit{J.-P. Bourguignon} et al., Contemp. Math. 288, 442--457 (2001; Zbl 1005.53002)
Beukers, Frits; Kolk, Johan A. C.; Calabi, Eugenio Sums of generalized harmonic series and volumes. (English) Zbl 0797.40001 Nieuw Arch. Wiskd., IV. Ser. 11, No. 3, 217-224 (1993). Reviewer: Dennis C. Russell (Toronto) MSC: 11B68 11M06 40A05 51M20 PDFBibTeX XMLCite \textit{F. Beukers} et al., Nieuw Arch. Wiskd., IV. Ser. 11, No. 3, 217--224 (1993; Zbl 0797.40001)