What is the Rank of the Demjanenko Matrix?

H. G. Folz, Horst Günter Zimmer. What is the Rank of the Demjanenko Matrix?. Journal of Symbolic Computation, 4(1):53-67, 1987.

@article{FolzZ87,
  title = {What is the Rank of the Demjanenko Matrix?},
  author = {H. G. Folz and Horst Günter Zimmer},
  year = {1987},
  researchr = {https://researchr.org/publication/FolzZ87},
  cites = {0},
  citedby = {0},
  journal = {Journal of Symbolic Computation},
  volume = {4},
  number = {1},
  pages = {53-67},
}