TY - JOUR AU - V. T. Erofeenko TI - Addition theorems and integral transformations on classes of harmonic functions JO - Differencialʹnye uravneniâ PY - 1983 SP - 809 EP - 818 VL - 19 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_5_a5/ LA - ru ID - DE_1983_19_5_a5 ER -