Peter Frankl, Norihide Tokushige. Some Best Possible Inequalities Concerning Cross-Intersecting Families. Journal of Combinatorial Theory, Series A, 61(1):87-97, 1992.
@article{FranklT92, title = {Some Best Possible Inequalities Concerning Cross-Intersecting Families}, author = {Peter Frankl and Norihide Tokushige}, year = {1992}, researchr = {https://researchr.org/publication/FranklT92}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {61}, number = {1}, pages = {87-97}, }