Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1967__20_165977, author = {Frank Harary and Gordon W. Wilcox}, title = {Boolean {Operations} on {Graphs.}}, journal = {Mathematica Scandinavica}, pages = {41--51}, publisher = {mathdoc}, volume = {20}, year = {1967}, zbl = {0152.22801}, url = {http://geodesic.mathdoc.fr/item/MS2_1967__20_165977/} }
Frank Harary; Gordon W. Wilcox. Boolean Operations on Graphs.. Mathematica Scandinavica, Tome 20 (1967), pp. 41-51. http://geodesic.mathdoc.fr/item/MS2_1967__20_165977/