Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1988__38_2_a0, author = {\v{Z}elezn{\'\i}k, Vladim{\'\i}r}, title = {Quadrilateral embeddings of the conjunction of graphs}, journal = {Mathematica slovaca}, pages = {89--98}, publisher = {mathdoc}, volume = {38}, number = {2}, year = {1988}, mrnumber = {945362}, zbl = {0654.05025}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1988__38_2_a0/} }
Železník, Vladimír. Quadrilateral embeddings of the conjunction of graphs. Mathematica slovaca, Tome 38 (1988) no. 2, pp. 89-98. http://geodesic.mathdoc.fr/item/MASLO_1988__38_2_a0/