@article{ELA_2009__18__a6,
     author = {Liu, Bolian and Huang, Yufei and Chen, Siyuan},
     title = {On the characterization of graphs with pendent vertices and given nullity},
     journal = {The electronic journal of linear algebra},
     pages = {719--734},
     publisher = {mathdoc},
     volume = {18},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2009__18__a6/}
}