TY - JOUR AU - V. A. Malovichko TI - Solvability of boundary value problems for fourth order systems of differential equations JO - Matematičeskie zametki PY - 1991 SP - 105 EP - 110 VL - 50 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1991_50_2_a12/ LA - ru ID - MZM_1991_50_2_a12 ER -