Periodic solutions for a kind of neutral functional differential systems
Crossref DOI link: https://doi.org/10.1186/s13661-014-0151-1
Published Online: 2014-09-23
Published Print: 2014-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
He, Zhi Min
Du, Bo
License valid from 2014-09-23
Article History
Received: 23 March 2014
Accepted: 3 June 2014
First Online: 23 September 2014