TY - JOUR AU - V. V. Liiko AU - A. L. Skubachevskii TI - Strongly elliptic differential-difference equations with mixed boundary conditions in a cylindric domain JO - Contemporary Mathematics. Fundamental Directions PY - 2019 SP - 635 EP - 654 VL - 65 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2019_65_4_a6/ LA - ru ID - CMFD_2019_65_4_a6 ER -