Thomas, E. Fields of tangent 2-planes on even-dimensional manifolds. (English) Zbl 0168.21401 Ann. Math. (2) 86, 349-361 (1967). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 9 Documents Keywords:topology PDFBibTeX XMLCite \textit{E. Thomas}, Ann. Math. (2) 86, 349--361 (1967; Zbl 0168.21401) Full Text: DOI