TY  - JOUR
AU  - I. D. Zaslavsky
TI  - On predicate and arithmetic calculi of symmetric constructive logic
JO  - Doklady Akademii Nauk
PY  - 1973
SP  - 517
EP  - 520
VL  - 210
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1973_210_3_a1/
LA  - ru
ID  - DAN_1973_210_3_a1
ER  -