Madsen, Ib Higher torsion in SG and BSG. (English) Zbl 0322.55030 Math. Z. 143, 55-80 (1975). MSC: 55R35 12H05 55P35 55R40 55U20 57T20 PDFBibTeX XMLCite \textit{I. Madsen}, Math. Z. 143, 55--80 (1975; Zbl 0322.55030) Full Text: DOI EuDML
Spivak, Michael A comprehensive introduction to differential geometry. Vol. 5. (English) Zbl 0306.53003 Boston, Mass.: Publish or Perish, Inc. V, 661 p. (1975). MSC: 53-01 12E05 35A05 35A10 35A30 35F05 35G05 35J05 35J15 35L05 35L10 35L40 53-02 53-03 53A05 53B20 53B25 53C05 53C10 53C20 53C30 53C40 55N10 55R05 55R10 53C45 55R25 55R40 57R15 57R20 57R25 58A15 PDFBibTeX XML