%0 Journal Article %A V. A. Buslov %T On the relationship between multiplicities of the matrix spectrum and signs of components of its eigenvector in a~tree-like structure %J Zapiski Nauchnykh Seminarov POMI %D 2017 %P 5-25 %V 464 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2017_464_a0/ %G ru %F ZNSL_2017_464_a0