Nonhyperbolic Periodic Orbits of Vector Fields in the Plane Revisited.

Autor: de Carvalho Braga, Denis1, Fernando Mello, Luis2 lfmelo@unifei.edu.br, Carlos Zambroni de Souza, Antonio3
Zdroj: Abstract & Applied Analysis. 2013, p1-19. 19p.
Databáze: Academic Search Ultimate