TY  - JOUR
AU  - J. Verdera
AU  - P.V. Paramonov
TI  - Approximation by Solutions of Elliptic Equations on Closed Subsets of Euclidean Space.
JO  - Mathematica Scandinavica
PY  - 1994
SP  - 249
EP  - 259
VL  - 74
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1994__74_1_167294/
ID  - MS2_1994__74_1_167294
ER  -