TY - JOUR AU - R. F. Shamoyan TI - On some extremal problems in certain harmonic function spaces of several variables related to mixed norm spaces JO - Problemy analiza PY - 2013 SP - 43 EP - 58 VL - 2 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PA_2013_2_1_a3/ LA - en ID - PA_2013_2_1_a3 ER -