求论文。。。。。

求两篇论文 下不下来

网址
http://www.sciencedirect.com/science/article/pii/S0305054806002139

http://onlinelibrary.wiley.com/doi/10.1002/net.3230110208/abstract;jsessionid=BFDFA4CC30AEA54FF22FED6B6A478410.d03t02?deniedAccessCustomisedMessage=&userIsAuthenticated=false


http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5387460&abstractAccess=no&userType=inst

Set partitioning/covering-based approaches for the integrated
vehicle and crew scheduling problem

Exact Solution of  Crew Scheduling
Problems Using the Set Partitioning
Model: Recent Successful Applications

jigesi 发表于 2013-6-30 20:47
Set partitioning/covering-based approaches for the integrated
vehicle and crew scheduling problem

第三篇能下到么？？

wanlin000 发表于 2013-6-30 20:52
第三篇能下到么？？

这篇下不到

jigesi 发表于 2013-6-30 20:56
这篇下不到

http://mansci.journal.informs.org/content/39/6/657.full.pdf+html

这篇呢？？

Solving Airline Crew Scheduling Problems by Branch-and-Cut

jigesi 发表于 2013-6-30 21:08
Solving Airline Crew Scheduling Problems by Branch-and-Cut

万分感谢了。。

wanlin000 发表于 2013-6-30 21:15
万分感谢了。。