共 3 条
[2]
A note on two problems in connexion with graphs[J] . E. W. Dijkstra.Numerische Mathematik . 1959 (1)
[3]
NetworkReductionfortheAcyclicConstrainedShortestPathProblem .2 MohsenM.D.Hassan. EuropeanJournalofOperationalReseach . 1992