Dubrovin, B.A. Modern geometry-methods and applications, pt. ll : the geometry and topology of manifolds - 1st Indian rep. 2010 - New Delhi Springer (India) 1985 - xv, 430p. ; 23cm. - Graduate texts in mathematics, 104 . ISBN: 9788184896596 Subjects--Index Terms: Mathematics Geometry Topology Dewey Class. No.: 516 / DUB.pt.2