@article{DBLP:journals/amc/QiLG08,
  author    = {Feng Qi and
               Qiu-Ming Luo and
               Bai-Ni Guo},
  title     = {Darboux's formula with integral remainder of functions with
               two independent variables},
  journal   = {Applied Mathematics and Computation},
  volume    = {199},
  number    = {2},
  year      = {2008},
  pages     = {691-703},
  ee        = {http://dx.doi.org/10.1016/j.amc.2007.10.028},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}