@article{PIM_1991_N_S_49_63_a3,
     author = {Slobodan K. Simi\'c},
     title = {An {Algorithm} {To} {Recognize} {A} {Generalized} {Line} {Graph} {And} {Output} {It's} {Root} {Graph}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {21 },
     publisher = {mathdoc},
     volume = {_N_S_49},
     number = {63},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/PIM_1991_N_S_49_63_a3/}
}