@article{DM_2004_16_4_a3,
     author = {M. I. Skvortsova and I. V. Stankevich},
     title = {On a relationship between the eigenvectors of weighted graphs and their subgraphs},
     journal = {Diskretnaya Matematika},
     pages = {32--40},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2004_16_4_a3/}
}