TY  - GEN
AU  - Johnstone,P.T
TI  - Topos theory
T2  - L.M.S. monographs
SN  - 0123878500
U1  - 512.55 
PY  - 1977///
CY  - London, New York
PB  - Academic Press
KW  - Toposes
N1  - Bibliografie p. 347
Index p. 357
ER  -