@article{GDZPPN002231980, title = {Coordinate morse theory.}, journal = {Manuscripta mathematica}, volume = {70}, year = {1991}, pages = {283-294}, zbl = {0727.58010}, url = {http://dml.mathdoc.fr/item/GDZPPN002231980} }
Klein, John R. Coordinate morse theory.. Manuscripta mathematica, Tome 70 (1991) pp. 283-294. http://gdmltest.u-ga.fr/item/GDZPPN002231980/