@article{10_2298_PIM0272039B, author = {Bojana Borovi\'canin}, title = {Line {Graphs} with {Exactly} two {Positive} {Eigenvalues}}, journal = {Publications de l'Institut Math\'ematique}, pages = {39 }, publisher = {mathdoc}, volume = {_N_S_72}, number = {86}, year = {2002}, doi = {10.2298/PIM0272039B}, zbl = {1052.05046}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.2298/PIM0272039B/} }