@article{10_37236_5782,
     author = {Peter Borg},
     title = {A sharp bound for the product of weights of cross-intersecting families},
     journal = {The electronic journal of combinatorics},
     year = {2016},
     volume = {23},
     number = {4},
     doi = {10.37236/5782},
     zbl = {1353.05123},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/5782/}
}