TY  - BOOK
AU  - Luxemburg, W.A.J.
AU  - Robinson, A.
TI  - Contributions to non-standard analysis
U1  - 515 
PY  - 1972///
CY  - London: 
PB  - North-Holland Publishing Company, 
KW  - Algebraic
KW  - Arithmetic
KW  - Hyperspace
KW  - Math
ER  -