Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1968__9_1_a12, author = {Zelinka, Bohdan}, title = {Tolerance graphs}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {121--131}, publisher = {mathdoc}, volume = {09}, number = {1}, year = {1968}, mrnumber = {0232698}, zbl = {0155.51206}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1968__9_1_a12/} }
Zelinka, Bohdan. Tolerance graphs. Commentationes Mathematicae Universitatis Carolinae, Tome 09 (1968) no. 1, pp. 121-131. http://geodesic.mathdoc.fr/item/CMUC_1968__9_1_a12/