TY - JOUR AU - V. K. Romanko TI - Nonlocal boundary problems for certain systems of equations JO - Matematičeskie zametki PY - 1985 SP - 727 EP - 733 VL - 37 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1985_37_5_a13/ LA - ru ID - MZM_1985_37_5_a13 ER -