TY - JOUR AU - V. I. Korzyuk AU - O. A. Konopel'ko AU - E. S. Cheb TI - Boundary-value problems for fourth-order equations of hyperbolic and composite types JO - Contemporary Mathematics. Fundamental Directions PY - 2010 SP - 87 EP - 111 VL - 36 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2010_36_a7/ LA - ru ID - CMFD_2010_36_a7 ER -