%0 Journal Article %A E.W. DIJKSTRA %T A Note on Two Problems in Connexion with Graphs. %J Numerische Mathematik %D 1959 %P 269-271 %V 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1959__1_131436/ %F NUMA_1959__1_131436