TY  - BOOK
AU  - Hurewicz,Witold
TI  - Lectures on ordinary differential equations
U1  - 517.382 
PY  - 1958///
CY  - Cambridge
PB  - Technology Press of the Massachusetts Institute of Technology
KW  - Differential equations
N1  - First published in 1943 under title: Ordinary differential equations in the real domain with emphasis on geometric methods
ER  -