Milková, Eva; Nešetřilová, Helena (2001). “Otakar Borůvka on minimum spanningtree problem: translation of both the 1926 papers, comments, history”. Discrete
is, union C(v) and C(u). 17 return tree T プリム法 ブルーフカ法 ダイクストラ法 ツォルンの補題 Joseph. B. Kruskal: On the Shortest Spanning Subtree of a Graph and the Traveling