@article{1183742507,
author = {Feng, Qi},
title = {On the Rowbottom $M$-Ultrafilters},
journal = {J. Symbolic Logic},
volume = {52},
number = {1},
year = {1987},
pages = { 990-993},
language = {en},
url = {http://dml.mathdoc.fr/item/1183742507}
}
Feng, Qi. On the Rowbottom $M$-Ultrafilters. J. Symbolic Logic, Tome 52 (1987) no. 1, pp. 990-993. http://gdmltest.u-ga.fr/item/1183742507/