TY - JOUR AU - K. S. Fayazov AU - I. O. Khazhiev TI - Conditional correctness of boundary-value problem for composite fourth-order differential equation JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2015 SP - 65 EP - 74 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2015_4_a7/ LA - ru ID - IVM_2015_4_a7 ER -