TY  - DATA
AU  - M. Makkai
AU  -  G.E. Reyes
TI  - First Order Categorical Logic
T2  - Lecture Notes in Mathematics
SN  - 9783540371007
PY  - 1977///
CY  - Heidelberg
PB  - Springer Berlin
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/BFb0066201
ER  -