@article{DBLP:journals/amc/LiuZW07,
  author    = {Lishan Liu and
               Xinguang Zhang and
               Yonghong Wu},
  title     = {On existence of positive solutions of a two-point boundary
               value problem for a nonlinear singular semipositone system},
  journal   = {Applied Mathematics and Computation},
  volume    = {192},
  number    = {1},
  year      = {2007},
  pages     = {223-232},
  ee        = {http://dx.doi.org/10.1016/j.amc.2007.03.002},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}