TY - JOUR AU - O. V. Besov TI - Spaces of functions of fractional smoothness on an irregular domain JO - Informatics and Automation PY - 2010 SP - 31 EP - 51 VL - 269 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2010_269_a2/ LA - ru ID - TRSPY_2010_269_a2 ER -