@article{ELA_2009__18__a2,
     author = {Boulet, Romain},
     title = {Disjoint unions of complete graphs characterized by their {Laplacian} spectrum},
     journal = {The electronic journal of linear algebra},
     pages = {773--783},
     publisher = {mathdoc},
     volume = {18},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2009__18__a2/}
}