TY  - JOUR
AU  - Takano, Mitio
TI  - A Modified Subformula Property for the Modal Logic S4.2
JO  - Bulletin of the Section of Logic
PY  - 2019
VL  - 48
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BSL_2019_48_1_a0/
LA  - en
ID  - BSL_2019_48_1_a0
ER  -