TY  - JOUR
AU  - V. A. Vardanyan
TI  - Arithmetic complexity of provability predicate logics and their
JO  - Doklady Akademii Nauk
PY  - 1986
SP  - 11
EP  - 14
VL  - 288
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1986_288_1_a0/
LA  - ru
ID  - DAN_1986_288_1_a0
ER  -