TY - JOUR AU - M. Ya. Mazalov TI - A criterion for approximability by harmonic functions in Lipschitz spaces JO - Zapiski Nauchnykh Seminarov POMI PY - 2012 SP - 144 EP - 171 VL - 401 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2012_401_a7/ LA - ru ID - ZNSL_2012_401_a7 ER -