@article{05900733,
title = {Bifurcation of gradient mappings possessing the Palais-Smale condition.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2011},
year = {2011},
doi = {10.1155/2011/564930},
zbl = {1233.37028},
language = {en},
url = {http://dml.mathdoc.fr/item/05900733}
}
Tonkes, Elliot. Bifurcation of gradient mappings possessing the Palais-Smale condition.. International Journal of Mathematics and Mathematical Sciences, Tome 2011 (2011) . doi : 10.1155/2011/564930. http://gdmltest.u-ga.fr/item/05900733/