TY  - BOOK
AU  - Siefkes, Dirk
AU  - 
TI  - Buchis monadic second order successor arithmetic
T2  - Lecture notes in Mathematics
U1  - 511.3 
PY  - 1970///
CY  - Berlin
PB  - Springer-Verlag
N1  - "Decidable theories I"
ER  -