TY  - JOUR
AU  - Pietruszczak, Andrzej
TI  - On Theses Without Iterated Modalities of Modal Logics Between C1 and S5. Part 1
JO  - Bulletin of the Section of Logic
PY  - 2017
VL  - 46
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BSL_2017_46_1-2_a4/
LA  - en
ID  - BSL_2017_46_1-2_a4
ER  -