TY - BOOK AU - Coddington, Earl A. AU - Levinson, Norman TI - Theory of ordinary differential equations SN - 0-07-099256-8 U1 - 515.35 PY - 1980/// CY - New Delhi PB - Tata Mcgraw-Hill KW - Differential equations KW - Linear differrential equations N1 - Includes index ER -