%0 Journal Article %A A. Rusu %T Infinitely many functional pre-complete classes of formulas in the propositional provability intuitionistic logic %J Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica %D 2007 %P 66-72 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/BASM_2007_1_a5/ %G en %F BASM_2007_1_a5