Volker Weispfenning. The Complexity of Linear Problems in Fields. Journal of Symbolic Computation, 5(1/2):3-27, 1988.
@article{Weispfenning88:0,
  title = {The Complexity of Linear Problems in Fields},
  author = {Volker Weispfenning},
  year = {1988},
  researchr = {https://researchr.org/publication/Weispfenning88%3A0},
  cites = {0},
  citedby = {0},
  journal = {Journal of Symbolic Computation},
  volume = {5},
  number = {1/2},
  pages = {3-27},
}