TY  - JOUR
AU  - E. V. Dashkov
TI  - On the Positive Fragment of the Polymodal Provability Logic $\mathbf{GLP}$
JO  - Matematičeskie zametki
PY  - 2012
SP  - 331
EP  - 346
VL  - 91
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2012_91_3_a1/
LA  - ru
ID  - MZM_2012_91_3_a1
ER  -