Thomas Lewiner, Hélio Lopes, Geovan Tavares. Optimal discrete Morse functions for 2-manifolds. Comput. Geom., 26(3):221-233, 2003. [doi]
@article{LewinerLT03,
title = {Optimal discrete Morse functions for 2-manifolds},
author = {Thomas Lewiner and Hélio Lopes and Geovan Tavares},
year = {2003},
doi = {10.1016/S0925-7721(03)00014-2},
url = {http://dx.doi.org/10.1016/S0925-7721(03)00014-2},
researchr = {https://researchr.org/publication/LewinerLT03},
cites = {0},
citedby = {0},
journal = {Comput. Geom.},
volume = {26},
number = {3},
pages = {221-233},
}