@article{Weigel2014,
  author    = {Manfred Weigel},
  title     = {Die Bethe-Goldstone-Gleichung bei geschwindigkeitsabh{\"a}ngigen Potentialen},
  journal   = {Zeitschrift f{\"u}r Naturforschung, A},
  volume    = {19.1964},
  number    = {11},
  pages     = {1268 -- 1273},
  doi       = {10.1515/zna-1964-1103},
  year      = {2014},
}