TY  - BOOK
AU  - Lang,Serge
TI  - Introduction to differentiable manifolds .-2nded
T2  - Universitext
SN  - 0387954775 (acidfree paper)
PY  - 2002///
CY  - New York
PB  - Springer
KW  - Differential topology
KW  - Differentiable manifolds
ER  -