@article{KellerLiuPeyerimhoff2021,
  author    = {Matthias Keller and Shiping Liu and Norbert Peyerimhoff},
  title     = {A note on eigenvalue bounds for non-compact manifolds},
  journal   = {Mathematische Nachrichten},
  volume    = {294},
  number    = {6},
  pages     = {1134 -- 1139},
  doi       = {10.1002/mana.201900209},
  year      = {2021},
}