Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1980__30_3_a6, author = {\v{S}ir\'a\v{n}, Jozef}, title = {On graphs containing many subgraphs with the same number of edges}, journal = {Mathematica slovaca}, pages = {267--268}, publisher = {mathdoc}, volume = {30}, number = {3}, year = {1980}, mrnumber = {587253}, zbl = {0436.05056}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1980__30_3_a6/} }
Širáň, Jozef. On graphs containing many subgraphs with the same number of edges. Mathematica slovaca, Tome 30 (1980) no. 3, pp. 267-268. http://geodesic.mathdoc.fr/item/MASLO_1980__30_3_a6/