TY - JOUR AU - A. V. Bitsadze TI - Some properties of polyharmonic functions JO - Differencialʹnye uravneniâ PY - 1988 SP - 825 EP - 831 VL - 24 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1988_24_5_a10/ LA - ru ID - DE_1988_24_5_a10 ER -