TY  - BOOK
AU  - Dumortier, Freddy and Others
AU  - Rodrigues, Paulo R. ;jt. auth.
AU  - Roussarie, Robert ; jt. auth.
TI  - Germs of diffeomorphisms in the plane
T2  - Lecture notes in Mathematics
U1  - 516 
PY  - 1981///
CY  - Berlin
PB  - Springer-Verlag
ER  -