TY - JOUR AU - A. V. Sobolev TI - Quasi-Classical Asymptotics for Pseudodifferential Operators with Discontinuous Symbols: Widom's Conjecture JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2010 SP - 86 EP - 90 VL - 44 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2010_44_4_a7/ LA - ru ID - FAA_2010_44_4_a7 ER -