%0 Journal Article %A Bojana Borovićanin %T Line Graphs with Exactly two Positive Eigenvalues %J Publications de l'Institut Mathématique %D 2002 %P 39 %V _N_S_72 %N 86 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2298/PIM0272039B/ %R 10.2298/PIM0272039B %G en %F 10_2298_PIM0272039B