@article{2196,
author = {Fodor, G. and Ketskem\'ety, I.},
title = {Some theorems on the theory of aggregates},
journal = {Portugaliae mathematica},
volume = {9},
year = {1950},
pages = {145-147},
zbl = {0038.19702},
mrnumber = {0041189},
language = {en},
url = {http://dml.mathdoc.fr/item/2196}
}
Fodor, G.; Ketskeméty, I. Some theorems on the theory of aggregates. Portugaliae mathematica, Tome 9 (1950) pp. 145-147. http://gdmltest.u-ga.fr/item/2196/