TY - JOUR AU - V. R. Smilyanskii TI - Solution of central and side coupling problems for certain systems of three equations JO - Matematičeskie zametki PY - 1993 SP - 78 EP - 86 VL - 54 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1993_54_1_a7/ LA - ru ID - MZM_1993_54_1_a7 ER -