TY - DATA AU - Dumortier, Freddy., author. TI - Qualitative Theory of Planar Differential Systems SN - 9783540329022, 978-3-540-32902-2 U1 - 515.352, PY - 2006/// CY - Berlin, Heidelberg PB - Springer Berlin Heidelberg KW - Differentiable dynamical systems KW - Differential Equations KW - Dynamical Systems and Ergodic Theory KW - Mathematics KW - Ordinary Differential Equations N1 - Mathematics and Statistics (Springer-11649) UR - http://dx.doi.org/10.1007/978-3-540-32902-2 ER -