TY - BOOK AU - Hale Jack TI - Ordinary differential equations. Ed by R Courant e T2 - Pure and Applied Mathematics: A Series of Texts and Monographs. Ed by Courant etc U1 - B33, K9 PY - 1969/// CY - New York PB - Wiley-Inter-Science KW - Equations N1 - Bibliography: P 325-330; Appendixex: P 315-324 ER -