TY - JOUR AU - L. V. Zhizhiashvili TI - Validity of A.\,N.~Kolmogorov's theorem for conjugate functions of several variables JO - Matematičeskie zametki PY - 1982 SP - 13 EP - 21 VL - 32 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1982_32_1_a2/ LA - ru ID - MZM_1982_32_1_a2 ER -