Results 141 to 143 of about 4,619,884 (143)

On the number of limit cycles coming from a uniform isochronous center with continuous and discontinuous quartic perturbations

Journal of Applied Analysis
Amel Boulfoul
exaly  

Uniform isochronous center of a class of higher degree polynomial differential systems

Applied Mathematics
exaly  

[Map of isochrons in planning health centers].

Polski tygodnik lekarski, 2003
openaire   +1 more source