TY  - BOOK
AU  - Schulenberger J R
AU  - Lomov S A
TI  - Introduction to the general theory of singular perturbations
U1  - 510TM 
PY  - 1992///
CY  - Providence
PB  - AMS
KW  - Mathematics
KW  - Singular perturbations
N1  - Tr from the Russian
ER  -