Closure-preserving families of finite sets

@article{Potoczny1975,
author = {Potoczny, H.},
journal = {Fundamenta Mathematicae},
language = {eng},
number = {2},
pages = {173-176},
title = {Closure-preserving families of finite sets},
url = {http://eudml.org/doc/214843},
volume = {89},
year = {1975},
}

TY - JOUR
AU - Potoczny, H.
TI - Closure-preserving families of finite sets
JO - Fundamenta Mathematicae
PY - 1975
VL - 89
IS - 2
SP - 173
EP - 176
LA - eng
UR - http://eudml.org/doc/214843
ER -