Yaakov S. Kupitz. Separation of a finite set in R:::d::: by spanned hyperplanes. Combinatorica, 13(3):249-258, 1993.
@article{Kupitz93, title = {Separation of a finite set in R:::d::: by spanned hyperplanes}, author = {Yaakov S. Kupitz}, year = {1993}, researchr = {https://researchr.org/publication/Kupitz93}, cites = {0}, citedby = {0}, journal = {Combinatorica}, volume = {13}, number = {3}, pages = {249-258}, }