Norbert Sauer. On the Density of Families of Sets. Journal of Combinatorial Theory, Series A, 13(1):145-147, 1972.
@article{Sauer72,
title = {On the Density of Families of Sets},
author = {Norbert Sauer},
year = {1972},
researchr = {https://researchr.org/publication/Sauer72},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {13},
number = {1},
pages = {145-147},
}