TY  - JOUR
AU  - Curry, Haskell B.
TI  - The equivalence of two definitions of elementary formal system
JO  - Compositio Mathematica
PY  - 1968
SP  - 13
EP  - 20
VL  - 20
PB  - Wolters-Noordhoff Publishing
UR  - http://www.numdam.org/item/CM_1968__20__13_0/
LA  - en
ID  - CM_1968__20__13_0
ER  -