LewinerLT03'

@article{DBLP:journals/comgeo/LewinerLT03,
  author    = {Thomas Lewiner and
               H{\'e}lio Lopes and
               Geovan Tavares},
  title     = {Optimal discrete Morse functions for 2-manifolds},
  journal   = {Comput. Geom.},
  volume    = {26},
  number    = {3},
  year      = {2003},
  pages     = {221-233},
  ee        = {http://dx.doi.org/10.1016/S0925-7721(03)00014-2},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}