Existence of positive periodic solutions for a class of Gilpin-Ayala ecological models with discrete and distributed time delays
Crossref DOI link: https://doi.org/10.1186/s13662-017-1386-9
Published Online: 2017-10-13
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Zhao, Kaihong
Ren, Yaping
License valid from 2017-10-13