@article{02220841, title = {A discrete variational approach for investigation of stationary localized states in a discrete nonlinear Schr\"odinger equation, named IN-DNLS.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2005}, year = {2005}, pages = {593-629}, doi = {10.1155/IJMMS.2005.593}, zbl = {1084.35543}, language = {en}, url = {http://dml.mathdoc.fr/item/02220841} }
Kundu, K. A discrete variational approach for investigation of stationary localized states in a discrete nonlinear Schrödinger equation, named IN-DNLS.. International Journal of Mathematics and Mathematical Sciences, Tome 2005 (2005) pp. 593-629. doi : 10.1155/IJMMS.2005.593. http://gdmltest.u-ga.fr/item/02220841/