%0 Journal Article %A R. Ch. Kulaev %T An integral transformation on a graph for a second-order differential operator %J Vladikavkazskij matematičeskij žurnal %D 2005 %P 78-85 %V 7 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMJ_2005_7_2_a7/ %G ru %F VMJ_2005_7_2_a7