@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/