TY  - BOOK
AU  - Leighton,Walter
TI  - An introduction to the theory of ordinary differential equations
AV  - QA372 .L456
U1  - 515/.352 
PY  - 1952///
CY  - New York
PB  - McGraw-Hill
KW  - Differential equations
KW  - Local
N1  - Based on the author's Ordinary differential equations; Includes index
ER  -