Existence of 2n positive periodic solutions to n-species nonautonomous food chains with harvesting terms.
Li, Yongkun ; Zhao, Kaihong
Advances in Difference Equations [electronic only], Tome 2010 (2010), / Harvested from The Electronic Library of Mathematics
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Publié le : 2010-01-01
DOI : https://doi.org/10.1155/2010/262461
EUDML-ID : urn:eudml:doc:223225 
@article{05690841,
     title = {Existence of },
     journal = {Advances in Difference Equations [electronic only]},
     volume = {2010},
     year = {2010},
     doi = {10.1155/2010/262461},
     zbl = {1194.34089},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05690841}
}

Li, Yongkun; Zhao, Kaihong. Existence of . Advances in Difference Equations [electronic only], Tome 2010 (2010) . doi : 10.1155/2010/262461. http://gdmltest.u-ga.fr/item/05690841/