TY  - BOOK
AU  - Troelstra A S
AU  - Dalen D Van
TI  - Constructivism in mathematics : an introduction
SN  - 0-444-70506-6
U1  - 511.3 
PY  - 1988///
CY  - Amsterdam
PB  - North Holand
KW  - Constructive mathematics
KW  - Mathematical logic
ER  -