Peter Vojtás. Cardinalities of noncentered systems of subsets of omega. Discrete Mathematics, 108(1-3):125-129, 1992. [doi]
@article{Vojtas92,
title = {Cardinalities of noncentered systems of subsets of omega},
author = {Peter Vojtás},
year = {1992},
doi = {10.1016/0012-365X(92)90666-4},
url = {http://dx.doi.org/10.1016/0012-365X(92)90666-4},
researchr = {https://researchr.org/publication/Vojtas92},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {108},
number = {1-3},
pages = {125-129},
}