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Positive solutions for Sturm-Liouville BVPs on time scales via sub-supersolution and variational methods
Quan-Guo Zhang, Xi-Ping He, Hong-Rui SunVolume:
2013
Language:
english
DOI:
10.1186/1687-2770-2013-123
Date:
December, 2013
File:
PDF, 226 KB
english, 2013