Retraction Note: Landesman-Lazer type condition for second-order differential equations at resonance with impulsive effects
Crossref DOI link: https://doi.org/10.1186/s13662-015-0446-2
Published Online: 2015-07-04
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Li, Jin
Zheng, Meilin
License valid from 2015-07-04