TY - JOUR AU - Yu. V. Pokornyi AU - V. L. Pryadiev TI - Some problems of the qualitative Sturm--Liouville theory on a~spatial network JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2004 SP - 515 EP - 552 VL - 59 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_2004_59_3_a3/ LA - en ID - RM_2004_59_3_a3 ER -