@inproceedings{RungrottheeraChangSchulze2020,
  author    = {Wannarut Rungrottheera and Der-Chen Chang and Bert-Wolfgang Schulze},
  title     = {The edge calculus of singularity order >3},
  booktitle = {Journal of nonlinear and convex analysis : an international journal},
  volume    = {21},
  number    = {2},
  pages     = {387 -- 401},
  year      = {2020},
}