Voir la notice de l'article provenant de la source Electronic Library of Mathematics
@article{DOCMA_1998__S9__a34, author = {Pitassi, Toniann}, title = {Unsolvable systems of equations and proof complexity}, journal = {Documenta mathematica}, pages = {451--460}, publisher = {mathdoc}, volume = {ICM Berlin 1998, Vol. III}, year = {1998}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a34/} }
Pitassi, Toniann. Unsolvable systems of equations and proof complexity. Documenta mathematica, ICM Berlin 1998, Vol. III (1998), pp. 451-460. http://geodesic.mathdoc.fr/item/DOCMA_1998__S9__a34/