Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{RCM_1990__24_3-4_181835, author = {Danut Marcu}, title = {The middle graph of a hypergraph}, journal = {Revista colombiana de matematicas}, pages = {97--102}, publisher = {mathdoc}, volume = {24}, number = {3-4}, year = {1990}, zbl = {0757.05085}, url = {http://geodesic.mathdoc.fr/item/RCM_1990__24_3-4_181835/} }
Danut Marcu. The middle graph of a hypergraph. Revista colombiana de matematicas, Tome 24 (1990) no. 3-4, pp. 97-102. http://geodesic.mathdoc.fr/item/RCM_1990__24_3-4_181835/