ON THE CENTER PROBLEM FOR DEGENERATE SINGULAR POINTS OF PLANAR VECTOR FIELDS
MAÑOSA, VÍCTORVolume:
12
Langue:
english
Journal:
International Journal of Bifurcation and Chaos
DOI:
10.1142/s0218127402004693
Date:
April, 2002
Fichier:
PDF, 543 KB
english, 2002