TY  - BOOK
AU  - Hackbusch, W
TI  - Elliptic differential equations: theory and numerical treatment
SN  - 354054822
U1  - 515.353 
PY  - 1992///
CY  - New York
PB  - Springer-Verlag
KW  - Differential equations, Elliptic-Numerical salutions
N1  - Includes bibliography and index
ER  -