@article{bwmeta1.element.desklight-d319ba91-1cfc-4d01-b840-4926b417a9b5,
author = {A. Kucia and A. Szyma\'nski},
title = {There are absolute ultrafilters on N which are not minimal},
journal = {Colloquium Mathematicae},
volume = {38},
year = {1977},
pages = {29-34},
zbl = {0446.03038},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-d319ba91-1cfc-4d01-b840-4926b417a9b5}
}
A. Kucia; A. Szymański. There are absolute ultrafilters on N which are not minimal. Colloquium Mathematicae, Tome 38 (1977) pp. 29-34. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-d319ba91-1cfc-4d01-b840-4926b417a9b5/