TY  - JOUR
AU  - Král, Josef
AU  - Medková, Dagmar
TI  - Essential norms of a potential theoretic boundary integral operator in $L\sp 1$
JO  - Mathematica Bohemica
PY  - 1998
SP  - 419
EP  - 436
VL  - 123
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/MB.1998.125966/
DO  - 10.21136/MB.1998.125966
LA  - en
ID  - 10_21136_MB_1998_125966
ER  -