TY  - JOUR
AU  - V. G. Maz'ya
AU  - V. P. Havin
TI  - On approximation in the mean by harmonic functions
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1967
SP  - 196
EP  - 200
VL  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1967_5_a7/
LA  - ru
ID  - ZNSL_1967_5_a7
ER  -