@article{05726408, title = {Critical point theorems for nonlinear dynamical systems and their applications.}, journal = {Fixed Point Theory and Applications [electronic only]}, volume = {2010}, year = {2010}, doi = {10.1155/2010/246382}, zbl = {1213.49023}, language = {en}, url = {http://dml.mathdoc.fr/item/05726408} }
Du, Wei-Shih. Critical point theorems for nonlinear dynamical systems and their applications.. Fixed Point Theory and Applications [electronic only], Tome 2010 (2010) . doi : 10.1155/2010/246382. http://gdmltest.u-ga.fr/item/05726408/