TY  - BOOK
AU  - Birkhoff, Garrett
AU  - Lynch, Robert E.
TI  - Numerical solution of elliptic problems
SN  - 0898714761
U1  - 515.3533 
PY  - 1984///
CY  - Philadelphia
PB  - Siam
KW  - Differential equation, elliptic
ER  -