@article{1183740060,
author = {Hajek, Petr},
title = {Experimental Logics and $\Pi^0\_3$ Theories},
journal = {J. Symbolic Logic},
volume = {42},
number = {1},
year = {1977},
pages = { 515-522},
language = {en},
url = {http://dml.mathdoc.fr/item/1183740060}
}
Hajek, Petr. Experimental Logics and $\Pi^0_3$ Theories. J. Symbolic Logic, Tome 42 (1977) no. 1, pp. 515-522. http://gdmltest.u-ga.fr/item/1183740060/