TY  - JOUR
AU  - Jan Mycielski
TI  - The definition of arithmetic operations in the Ackermann model
JO  - Algebra i logika
PY  - 1964
SP  - 64
EP  - 65
VL  - 3
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1964_3_5_a4/
LA  - ru
ID  - AL_1964_3_5_a4
ER  -