@article{PIM_1978_N_S_23_37_a0,
     author = {Jin Akiyama and Kimiko Kaneko and Slobodan Simi\'c},
     title = {Graph {Equations} {For} {Line} {Graphs} {And} {The} {N-Th} {Power} {Graphs} {I}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {5 },
     publisher = {mathdoc},
     volume = {_N_S_23},
     number = {37},
     year = {1978},
     url = {http://geodesic.mathdoc.fr/item/PIM_1978_N_S_23_37_a0/}
}