TY  - BOOK
AU  - Fitting,Melvin
TI  - PROOF METHODS FOR MODAL AND INTUITIONISTIC LOGICS
SN  - 9027715734
U1  - 511.3 
PY  - 1983///
CY  - 
PB  - D. Reidel, Dordrecht
KW  - Proof Theory
KW  - Modality (Logics)
KW  - Intuitionistic Mathematics
ER  -