TY  - JOUR
AU  - G. Birkhoff
AU  - Robert E. Lynch
TI  - Some Current Questions on Solving Linear Elliptic Problems.
JO  - Numerische Mathematik
PY  - 1990
SP  - 527
EP  - 546
VL  - 57
IS  - 6-7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133464/
ID  - NUMA_1990__57_6-7_133464
ER  -