TY - JOUR AU - V. G. Maz'ya TI - On Beurling's theorem on the minimum principle for positive harmonic functions JO - Zapiski Nauchnykh Seminarov POMI PY - 1972 SP - 76 EP - 90 VL - 30 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1972_30_a5/ LA - ru ID - ZNSL_1972_30_a5 ER -