@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/