TY  - BOOK
AU  - Chagrov, Alexander
AU  - Zakharyaschev, Michael
TI  - Modal logic
SN  - 9780198537793
SN  - 97185365
U1  - 511.3 CHA 
PY  - 1997///
CY  - Oxford
PB  - Clarendon Press ; Oxford University Press
KW  - Modality (Logic)
N1  - Includes bibliographical references (p. [567]-595) and index
ER  -