@article{1183743040,
author = {Krajicek, Jan and Pudlak, Pavel},
title = {Propositional Proof Systems, the Consistency of First Order Theories and the Complexity of Computations},
journal = {J. Symbolic Logic},
volume = {54},
number = {1},
year = {1989},
pages = { 1063-1079},
language = {en},
url = {http://dml.mathdoc.fr/item/1183743040}
}
Krajicek, Jan; Pudlak, Pavel. Propositional Proof Systems, the Consistency of First Order Theories and the Complexity of Computations. J. Symbolic Logic, Tome 54 (1989) no. 1, pp. 1063-1079. http://gdmltest.u-ga.fr/item/1183743040/