Tamás Fleiner. The Size of 3-Cross-Free Families. Combinatorica, 21(3):445-448, 2001. [doi]
@article{Fleiner01a, title = {The Size of 3-Cross-Free Families}, author = {Tamás Fleiner}, year = {2001}, url = {http://link.springer.de/link/service/journals/00493/bibs/1021003/10210445.htm}, researchr = {https://researchr.org/publication/Fleiner01a}, cites = {0}, citedby = {0}, journal = {Combinatorica}, volume = {21}, number = {3}, pages = {445-448}, }