Mathur, S. B. On recurrent spaces. (English) Zbl 0184.47202 Proc. Natl. Inst. Sci. India, Part A 34, 40-49 (1968). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents Keywords:differential geometry PDFBibTeX XMLCite \textit{S. B. Mathur}, Proc. Natl. Inst. Sci. India, Part A 34, 40--49 (1968; Zbl 0184.47202)