TY  - JOUR
AU  - Martin Costabel
AU  - Ernst P. Stephan
TI  - Duality Estimates for the Numerical Solution of Integral Equations.
JO  - Numerische Mathematik
PY  - 1989
SP  - 339
EP  - 354
VL  - 54
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1989__54_3_133322/
ID  - NUMA_1989__54_3_133322
ER  -