Arnold's Problems, 2005, 181
Nataliya Borisovna Medvedeva, “Проблема различения центра и фокуса в пространстве векторных полей с фиксированной диаграммой Ньютона”, Математический сборник, 211, no. 10, 2020, 50
Daniel S. Graça, Ning Zhong, 12813, Connecting with Computability, 2021, 494
Desheng Shang, Yaoming Zhang, “Bifurcations in a Cubic System with a Degenerate Saddle Point”, Int. J. Bifurcation Chaos, 24, no. 11, 2014, 1450144
Yu S Ilyashenko, “Finiteness theorems for limit cycles: a digest of the revised proof”, Izv. Math., 80, no. 1, 2016, 50
Isaac A. García, “Cyclicity of nilpotent centers with minimum Andreev number”, European Journal of Mathematics, 5, no. 4, 2019, 1293
Stephen Lynch, Dynamical Systems with Applications using MATLAB®, 2004, 335
A. Belotto da Silva, A. Figalli, A. Parusiński, L. Rifford, “Strong Sard conjecture and regularity of singular minimizing geodesics for analytic sub-Riemannian structures in dimension 3”, Invent. math., 229, no. 1, 2022, 395
Michiel Hazewinkel, Encyclopaedia of Mathematics, 2000, 249
TOMAS JOHNSON, WARWICK TUCKER, “AN IMPROVED LOWER BOUND ON THE NUMBER OF LIMIT CYCLES BIFURCATING FROM A QUINTIC HAMILTONIAN PLANAR VECTOR FIELD UNDER QUINTIC PERTURBATION”, Int. J. Bifurcation Chaos, 20, no. 01, 2010, 63