TY - JOUR AU - R. Ch. Kulaev TI - On the sing of the Green's function of the boundary value problem for the fourth-order equation on a~graph JO - Vladikavkazskij matematičeskij žurnal PY - 2013 SP - 19 EP - 29 VL - 15 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMJ_2013_15_4_a3/ LA - ru ID - VMJ_2013_15_4_a3 ER -