TY  - BOOK
AU  - Poggiolesi Francesca
TI  - Gentzen calculi for modal propositional logic
SN  - 978-90-481-9669-2
U1  - 511.3 
PY  - 2011///
CY  - New York
PB  - Springer-Verlag
KW  - Mathematical logic
KW  - Modality(Logic)
KW  - Symbolic logic
ER  -