Peter C. Fishburn. Proportional transitivity in linear extensions of ordered sets. Journal of Combinatorial Theory, Series A, 41(1):48-60, 1986. [doi]
@article{Fishburn86, title = {Proportional transitivity in linear extensions of ordered sets}, author = {Peter C. Fishburn}, year = {1986}, doi = {10.1016/0095-8956(86)90027-4}, url = {http://dx.doi.org/10.1016/0095-8956(86)90027-4}, tags = {C++}, researchr = {https://researchr.org/publication/Fishburn86}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {41}, number = {1}, pages = {48-60}, }