@article{ELA_2010__20__a28,
     author = {Cioaba, Sebastian M.},
     title = {A necessary and sufficient eigenvector condition for a connected graph to be bipartite},
     journal = {The electronic journal of linear algebra},
     pages = {351--353},
     publisher = {mathdoc},
     volume = {20},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2010__20__a28/}
}