@inproceedings{vincenzo2020a,
title={A multiplicity result for a non-local parametric problem with periodic boundary conditions},
author={Vincenzo Ambrosio, Rossella Bartolo, and Giovanni Molica Bisci},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220310120325864891929},
booktitle={Arkiv for Matematik},
volume={58},
number={1},
pages={1-18},
year={2020},
}
Vincenzo Ambrosio, Rossella Bartolo, and Giovanni Molica Bisci. A multiplicity result for a non-local parametric problem with periodic boundary conditions. 2020. Vol. 58. In Arkiv for Matematik. pp.1-18. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220310120325864891929.