Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1980__30_4_a8, author = {Harminc, Mat\'u\v{s}}, title = {On the $(m,n)$-basis of a digraph}, journal = {Mathematica slovaca}, pages = {401--404}, publisher = {mathdoc}, volume = {30}, number = {4}, year = {1980}, mrnumber = {595301}, zbl = {0452.05028}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1980__30_4_a8/} }
Harminc, Matúš. On the $(m,n)$-basis of a digraph. Mathematica slovaca, Tome 30 (1980) no. 4, pp. 401-404. http://geodesic.mathdoc.fr/item/MASLO_1980__30_4_a8/