Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1986__36_2_a1, author = {Zelinka, Bohdan}, title = {Disconnected neighbourhood graphs}, journal = {Mathematica slovaca}, pages = {109--110}, publisher = {mathdoc}, volume = {36}, number = {2}, year = {1986}, mrnumber = {849700}, zbl = {0603.05039}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1986__36_2_a1/} }
Zelinka, Bohdan. Disconnected neighbourhood graphs. Mathematica slovaca, Tome 36 (1986) no. 2, pp. 109-110. http://geodesic.mathdoc.fr/item/MASLO_1986__36_2_a1/