TY - JOUR AU - P. L. Gurevich TI - Elliptic problems with nonlocal boundary conditions and Feller semigroups JO - Contemporary Mathematics. Fundamental Directions PY - 2010 SP - 3 EP - 173 VL - 38 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2010_38_a0/ LA - ru ID - CMFD_2010_38_a0 ER -