TY - BOOK AU - Coddington,Earl A. ED - Dover Publications TI - An introduction to ordinary differential equations T2 - Prentice-Hall mathematics series SN - 0486659429 U1 - 515.35 23 PY - 1961/// CY - New York PB - Dover KW - Equations, Differential KW - Differential equations N1 - Includes bibliographical references and index ER -