@article{PIM2_1988__44(58)_257789,
     author = {Simi\'c, Slobodan K.},
     title = {A note on the graph equation .},
     journal = {Publications de l 'Institut Math\'ematique. Nouvelle S\'erie},
     pages = {35},
     publisher = {mathdoc},
     volume = {44(58)},
     year = {1988},
     zbl = {0665.05049},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/PIM2_1988__44(58)_257789/}
}