@article{1183739943,
author = {Pincus, David and Solovay, Robert M.},
title = {Definability of Measures and Ultrafilters},
journal = {J. Symbolic Logic},
volume = {42},
number = {1},
year = {1977},
pages = { 179-190},
language = {en},
url = {http://dml.mathdoc.fr/item/1183739943}
}
Pincus, David; Solovay, Robert M. Definability of Measures and Ultrafilters. J. Symbolic Logic, Tome 42 (1977) no. 1, pp. 179-190. http://gdmltest.u-ga.fr/item/1183739943/