Spanier, Edwin H. Algebraic topology / Edwin H. Spanier. - TMH ed. - New Delhi : Tata McGraw-Hill publishing, 1971 - xiv, 528p. ; 22x14cm. Index : p.521-528. ISBN: : Rs.27 Subjects--Topical Terms: MATHEMATICS- TOPOLOGY Dewey Class. No.: 514 / SPA-ALG