Existence and n-multiplicity of positive periodic solutions for impulsive functional differential equations with two parameters
Crossref DOI link: https://doi.org/10.1186/s13661-015-0478-2
Published Online: 2015-11-18
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Meng, Qiong
Yan, Jurang
Funding for this research was provided by:
Natural Science Foundation of Shanxi (2012011004-1)
National Natural Science Foundation of China (CN) (61473180)
License valid from 2015-11-18