TY  - JOUR
AU  - Lorenzen, P.
TI  - Constructive mathematics as a philosophical problem
JO  - Compositio Mathematica
PY  - 1968
SP  - 133
EP  - 142
VL  - 20
PB  - Wolters-Noordhoff Publishing
UR  - http://www.numdam.org/item/CM_1968__20__133_0/
LA  - en
ID  - CM_1968__20__133_0
ER  -