TY - JOUR AU - A. N. Medvedev TI - Comparison of boundary smoothness for an analytic function and for its modulus in the case of the upper half-plane JO - Zapiski Nauchnykh Seminarov POMI PY - 2016 SP - 75 EP - 89 VL - 447 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2016_447_a5/ LA - ru ID - ZNSL_2016_447_a5 ER -