Arnold's Problems, 2005, 181
Nataliya Borisovna Medvedeva, “Проблема различения центра и фокуса в пространстве векторных полей с фиксированной диаграммой Ньютона”, Математический сборник, 211, № 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, № 11, 2014, 1450144
Yu S Ilyashenko, “Finiteness theorems for limit cycles: a digest of the revised proof”, Izv. Math., 80, № 1, 2016, 50
Isaac A. García, “Cyclicity of nilpotent centers with minimum Andreev number”, European Journal of Mathematics, 5, № 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, № 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, № 01, 2010, 63