TY  - BOOK
AU  - Chow, Shui-Nee
AU  - Li, Chengzhi
AU  - Wang, Duo
TI  - Normal forms and bifurcation of planar vector fields
SN  - 9780521102230
U1  - 515.35 CHO 
PY  - 1994///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Bifurcation theory
KW  - Normal forms (Mathematics)
KW  - Vector fields
N1  - Includes bibliographical references (p. 452-467) and index
ER  -