@article{EXMA_2003__12_3_52321,
     author = {Lewiner, Thomas and Lopes, H\'elio and Tavares, Geovan},
     title = {Toward optimality in discrete {Morse} theory.},
     journal = {Experimental mathematics},
     pages = {271--285},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2003},
     zbl = {1086.58007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMA_2003__12_3_52321/}
}