@article{04144977,
title = {The computation of the index of a Morse function at a critical point.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {11},
year = {1988},
pages = {721-726},
doi = {10.1155/S0161171288000870},
zbl = {0698.58016},
language = {en},
url = {http://dml.mathdoc.fr/item/04144977}
}
Sakkalis, Takis. The computation of the index of a Morse function at a critical point.. International Journal of Mathematics and Mathematical Sciences, Tome 11 (1988) pp. 721-726. doi : 10.1155/S0161171288000870. http://gdmltest.u-ga.fr/item/04144977/