Gauld, David Variation of vector and path fields. (English) Zbl 0695.57017 Math. Chron. 18, 37-43 (1989). Reviewer: K.Komiya MSC: 57R25 58D15 54C30 PDFBibTeX XMLCite \textit{D. Gauld}, Math. Chron. 18, 37--43 (1989; Zbl 0695.57017)
Price, T. M. Towards classifying all manifolds. (English) Zbl 0412.57001 Math. Chron. 7, 1-117 (1978). MSC: 57-02 57N05 57N10 57N15 57N20 57Q15 57R10 PDFBibTeX XMLCite \textit{T. M. Price}, Math. Chron. 7, 1--117 (1978; Zbl 0412.57001)