%0 Journal Article %A R. Ch. Kulaev %T On the geometric multiplicity of the eigenvalues of a boundary value problem on a graph %J Vladikavkazskij matematičeskij žurnal %D 2008 %P 23-28 %V 10 %N 3 %U http://geodesic.mathdoc.fr/item/VMJ_2008_10_3_a2/ %G ru %F VMJ_2008_10_3_a2