TY  - BOOK
AU  - Dubrovin, B. A.
AU  - 
AU  - Novikov,S.P.
TI  - Modern geometry methods and applications: part II. The geometry and topology of manifolds
SN  - 9780387961620
U1  - 516D854M 
PY  - 1998///
CY  - New York
PB  - Springer-Verlag
KW  - Geometry
KW  - Homotopy groups
ER  -