Positive solutions to singular and delay higher-order differential equations on time scales.
Hu, Liang-Gen ; Xiao, Ti-Jun ; Liang, Jin
Boundary Value Problems [electronic only], Tome 2009 (2009), / Harvested from The Electronic Library of Mathematics
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Publié le : 2009-01-01
DOI : https://doi.org/10.1155/2009/937064
EUDML-ID : urn:eudml:doc:45630 
@article{05626177,
     title = {Positive solutions to singular and delay higher-order differential equations on time scales.},
     journal = {Boundary Value Problems [electronic only]},
     volume = {2009},
     year = {2009},
     doi = {10.1155/2009/937064},
     zbl = {1181.34102},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05626177}
}

Hu, Liang-Gen; Xiao, Ti-Jun; Liang, Jin. Positive solutions to singular and delay higher-order differential equations on time scales.. Boundary Value Problems [electronic only], Tome 2009 (2009) . doi : 10.1155/2009/937064. http://gdmltest.u-ga.fr/item/05626177/