%0 Journal Article %A N. A. Pankrat'ev %T The disjunction property and Church's thesis in arithmetic with Grzegorczyk logic %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1989 %P 63-65 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1989_6_a16/ %G ru %F VMUMM_1989_6_a16