TY - JOUR AU - V. A. Yurko TI - Spectral analysis of higher-order differential operators with discontinuity conditions at an interior point JO - Contemporary Mathematics. Fundamental Directions PY - 2017 SP - 362 EP - 372 VL - 63 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2017_63_2_a7/ LA - ru ID - CMFD_2017_63_2_a7 ER -