TY - JOUR AU - A. K. Gushchin TI - A condition for the~compactness of operators in a~certain class and its application JO - Sbornik. Mathematics PY - 2002 SP - 649 EP - 668 VL - 193 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2002_193_5_a1/ LA - en ID - SM_2002_193_5_a1 ER -