Quadratic Differential Systems with a Weak Focus of First-Order and a Finite Saddle-Node

Joan C. Artés, Carles Trullàs. Quadratic Differential Systems with a Weak Focus of First-Order and a Finite Saddle-Node. I. J. Bifurcation and Chaos, 36(6), May 2026. [doi]

Abstract

Abstract is missing.