TY - JOUR AU - L. V. Zhizhiashvili TI - A generalization of a theorem of M.~Riesz to the case of functions of several variables JO - Matematičeskie zametki PY - 1968 SP - 269 EP - 280 VL - 4 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1968_4_3_a2/ LA - ru ID - MZM_1968_4_3_a2 ER -