TY  - BOOK
AU  - Birkhoff Garrett
AU  -  Lynch Robert E
TI  - Numerical solution of elliptic problems
T2  - SIAM studies in applied mathematics
U1  - B392L8, M4 
PY  - 1984///
CY  - Philadelphia
PB  - Siam         
N1  - Bibliography 303-14p
ER  -