TY  - BOOK
AU  - Kevorkian J
AU  -  Cole J D
TI  - Perturbation methods in applied mathematics
T2  - Applied mathematical science; 34
U1  - B33:1, M1 
PY  - 1981///
CY  - New York    
PB  -  Springer Verlag       
KW  - Differential equations
N1  - Bibliography p546
ER  -