TY  - JOUR
AU  - V. N. Krivtsov
TI  - A formal system of negationless arithmetic that is conservative with respect to heyting arithmetic
JO  - Matematičeskie zametki
PY  - 1984
SP  - 583
EP  - 592
VL  - 36
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1984_36_4_a11/
LA  - ru
ID  - MZM_1984_36_4_a11
ER  -