@article{05137527,
title = {Perturbation theorems on Morse theory for continuous functions.},
journal = {Balkan Journal of Geometry and its Applications (BJGA)},
volume = {10},
year = {2005},
pages = {51-57},
zbl = {1111.58009},
language = {en},
url = {http://dml.mathdoc.fr/item/05137527}
}
Cicortaş, Graţiela. Perturbation theorems on Morse theory for continuous functions.. Balkan Journal of Geometry and its Applications (BJGA), Tome 10 (2005) pp. 51-57. http://gdmltest.u-ga.fr/item/05137527/