@article{1183743986,
author = {Bianconi, Ricardo},
title = {On Sets $\forall$-Definable From Pfaffian Functions},
journal = {J. Symbolic Logic},
volume = {57},
number = {1},
year = {1992},
pages = { 688-697},
language = {en},
url = {http://dml.mathdoc.fr/item/1183743986}
}
Bianconi, Ricardo. On Sets $\forall$-Definable From Pfaffian Functions. J. Symbolic Logic, Tome 57 (1992) no. 1, pp. 688-697. http://gdmltest.u-ga.fr/item/1183743986/