%0 Journal Article %A V. V. Provotorov %T Expansion in eigenfunctions of the Sturm--Liouville problem on a graph bundle %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2008 %P 50-62 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2008_3_a4/ %G ru %F IVM_2008_3_a4