TY  - JOUR
AU  - V. M. Zyuz'kov
TI  - Sufficient conditions for the existence of undecidable indirectly reflective sentences
JO  - Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika
PY  - 2015
SP  - 12
EP  - 17
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VTGU_2015_3_a1/
LA  - ru
ID  - VTGU_2015_3_a1
ER  -