A. O. Remizov, F. Tari, “Singularities of the geodesic flow on surfaces with pseudo-Riemannian metrics”, Geom Dedicata, 185, no. 1, 2016, 131
Alexey A Davydov, Linh Trinh Thi Diep, “Normal forms for families of linear equations of mixed type near non-resonant folded singular points”, Russ. Math. Surv., 65, no. 5, 2011, 984
Marco Antônio Teixeira, Encyclopedia of Complexity and Systems Science, 2009, 6697
Marek W. Rupniewski, “Local Bifurcations of Control-Affine Systems in the Plane”, J Dyn Control Syst, 13, no. 1, 2007, 135
Egbert Brieskorn, Wissenschaft zwischen Qualitas und Quantitas, 2003, 243
Алексей Александрович Давыдов, Alexey Alexandrovich Davydov, Линь Чинь Тхи Зиеп, Linh Trinh Thi Diep, “Нормальные формы семейств линейных уравнений смешанного типа вблизи нерезонансных сложенных особых точек”, УМН, 65, no. 5, 2010, 189
Yu. A. Grishina, A. A. Davydov, “Structural stability of simplest dynamical inequalities”, Proc. Steklov Inst. Math., 256, no. 1, 2007, 80
A. O. Remizov, “Multidimensional Poincaré construction and singularities of lifted fields for implicit differential equations”, J Math Sci, 151, no. 6, 2008, 3561
Bronislaw Jakubczyk, Witold Respondek, “Bifurcations of 1-parameter Families of Control-affine Systems in the Plane”, SIAM J. Control Optim., 44, no. 6, 2006, 2038
Hy Đú’c Mạnh, “Stability of local transitivity of a generic control system on a surface with boundary”, Proc. Steklov Inst. Math., 278, no. 1, 2012, 260