@article{05028396, title = {Multiple periodic solutions for a discrete time model of plankton allelopathy.}, journal = {Advances in Difference Equations [electronic only]}, volume = {2006}, year = {2006}, doi = {10.1155/ADE/2006/90479}, zbl = {1134.39008}, language = {en}, url = {http://dml.mathdoc.fr/item/05028396} }
Zhang, Jianbao; Fang, Hui. Multiple periodic solutions for a discrete time model of plankton allelopathy.. Advances in Difference Equations [electronic only], Tome 2006 (2006) . doi : 10.1155/ADE/2006/90479. http://gdmltest.u-ga.fr/item/05028396/