Dwight Duffus, Bill Sands, Norbert Sauer, Robert E. Woodrow. Two-colouring all two-element maximal antichains. Journal of Combinatorial Theory, Series A, 57(1):109-116, 1991. [doi]
@article{DuffusSSW91, title = {Two-colouring all two-element maximal antichains}, author = {Dwight Duffus and Bill Sands and Norbert Sauer and Robert E. Woodrow}, year = {1991}, doi = {10.1016/0097-3165(91)90009-6}, url = {http://dx.doi.org/10.1016/0097-3165(91)90009-6}, tags = {e-science}, researchr = {https://researchr.org/publication/DuffusSSW91}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {57}, number = {1}, pages = {109-116}, }