@article{05875493,
title = {The polynomial bounds of proof complexity in Frege systems.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {50},
year = {2009},
pages = {243-249},
zbl = {1224.03034},
language = {en},
url = {http://dml.mathdoc.fr/item/05875493}
}
Aleksanyan, S.R.; Chubaryan, A.A. The polynomial bounds of proof complexity in Frege systems.. Sibirskij Matematicheskij Zhurnal, Tome 50 (2009) pp. 243-249. http://gdmltest.u-ga.fr/item/05875493/