TY  - DATA
AU  - A. R. D. Mathias
AU  -  H. Rogers
TI  - Cambridge Summer School in Mathematical Logic
T2  - Lecture Notes in Mathematics
SN  - 9783540368847
PY  - 1973///
CY  - Heidelberg
PB  - Springer Berlin
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/BFb0066770
ER  -