@article{04087717,
title = {A note on the graph equation },
journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie},
volume = {43(57)},
year = {1988},
pages = {35-40},
zbl = {0665.05049},
language = {en},
url = {http://dml.mathdoc.fr/item/04087717}
}
Simić, Slobodan K. A note on the graph equation . Publications de l'Institut Mathématique. Nouvelle Série, Tome 43(57) (1988) pp. 35-40. http://gdmltest.u-ga.fr/item/04087717/