TY  - BOOK
AU  - Tveito Aslak
AU  -  Winter Ragnar
TI  - Introduction to partial differential equations:  A computational approach   
SN  - 9783540887041
U1  - B334, P9 
PY  - 2009///
CY  - Berlin
PB  - Springer-Verlag          
KW  - Economics
ER  -