TY  - BOOK
AU  - Langtangen, Hans Petter  .
TI  - Computational partial differential equations: numerical methods and diffpack programming / 
SN  - 3-540-43416-X
U1  - B33OaBV 
PY  - 2003///
CY  - New York : 
PB  - Springer-Verlag , 
KW  - Partial differential
ER  -