@article{ZNSL_2017_464_a0,
     author = {V. A. Buslov},
     title = {On the relationship between multiplicities of the matrix spectrum and signs of components of its eigenvector in a~tree-like structure},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--25},
     publisher = {mathdoc},
     volume = {464},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2017_464_a0/}
}