TY - BOOK AU - kelley Walter G; Peterson Allan C AU - kelley Walter G; Peterson Allan C TI - Theory of differential equation : Classical and qualitative SN - 9781441957825 (pbk) U1 - B33, P4;Q0;1 TB PY - 2010/// CY - New York PB - Springer KW - Autonomous systems KW - Differential equation KW - Linear systems KW - Perturbation methods KW - Mathematics N1 - Bibliography 415-418p.; Index 419-423p ER -