@article{1183737954, author = {Kunen, Kenneth and Prikry, Karel}, title = {On Descendingly Incomplete Ultrafilters}, journal = {J. Symbolic Logic}, volume = {36}, number = {1}, year = {1971}, pages = { 650-652}, language = {en}, url = {http://dml.mathdoc.fr/item/1183737954} }
Kunen, Kenneth; Prikry, Karel. On Descendingly Incomplete Ultrafilters. J. Symbolic Logic, Tome 36 (1971) no. 1, pp. 650-652. http://gdmltest.u-ga.fr/item/1183737954/