@article{ELA_2002__9__a21,
     author = {Johnson, Charles R. and Saiago, Carlos M.},
     title = {Estimation of the maximum multiplicity of an eigenvalue in terms of the vertex degrees of the graph of a matrix},
     journal = {The electronic journal of linear algebra},
     pages = {27--31},
     publisher = {mathdoc},
     volume = {9},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2002__9__a21/}
}