@article{1851,
  author = {Fang-Ming Shao and Xuemin Shen and Pin-Han Ho},
  title = {Reliability optimization of distributed access networks with constrained total cost},
  year = {2005},
  journal = {IEEE transactions on reliability},
  volume = {54},
  number = {3},
  pages = {421-430},
  publisher = {IEEE},
}