Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1979_9_Nonea_19, author = {Vojvodi\'c Gradimir}, title = {On the {{\textquotedblleft}O} e theorem for mixed-valued predicate calculi}, journal = {Novi Sad Journal of Mathematics}, pages = {127-131}, publisher = {mathdoc}, volume = {9}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1979_9_Nonea_19/} }
Vojvodić Gradimir. On the “O e theorem for mixed-valued predicate calculi. Novi Sad Journal of Mathematics, Tome 9 (1979). http://geodesic.mathdoc.fr/item/NSJOM_1979_9_Nonea_19/