A Lazer-Leach-type condition for singular differential equations with a deviating argument at resonance
Crossref DOI link: https://doi.org/10.1186/s13662-017-1240-0
Published Online: 2017-07-25
Published Print: 2017-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Li, Jin
License valid from 2017-07-25