TY  - BOOK
AU  - Golubitsky Martin
AU  - Schaeffer D G
TI  - Singularities and groups in bifurcation theory
U1  - 515.353 
PY  - 1985///
CY  - Berlin
PB  - Springer Verlag
KW  - Bifurcation
KW  - Partial differential equations
ER  -