TY  - BOOK
AU  - Wasow, Wolfgang
TI  - Asymptotic expansions for ordinary differential equations
U1  - 515.35 
PY  - 1987///
CY  - New York
PB  - Dover
N1  - "First published by Interscience publishers, New York, 1965 as vol.14 in the Pure and Applied Mathematic series"
ER  -