TY  - BOOK
AU  - Chang K W
AU  -  Howes F A
TI  - Nonlinear singular perturbation phenomena: Theory and applications
T2  - Applied Mathematical Science; 56
U1  - B333:1, M4 
PY  - 1984///
CY  - New York    
PB  -  Springer Verlag       
KW  - Boundary value problem
ER  -