TY  - BOOK
AU  - O'Malley, Robert E. Jr
TI  - Singular perturbation methods for ordinary differential equations
T2  - Applied mathematical sciences V.89
SN  - 038797556X
U1  - 515.352, 
PY  - 1991///
CY  - New York
PB  - Springer-Verlag
ER  -