Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1979__15_6_a0, author = {Sys{\l}o, Maciej M.}, title = {A characterization of hypergraphs generated by arborescences}, journal = {Kybernetika}, pages = {--407}, publisher = {mathdoc}, volume = {15}, number = {6}, year = {1979}, mrnumber = {562372}, zbl = {0423.05031}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1979__15_6_a0/} }
Sysło, Maciej M. A characterization of hypergraphs generated by arborescences. Kybernetika, Tome 15 (1979) no. 6, p. 407. http://geodesic.mathdoc.fr/item/KYB_1979__15_6_a0/