TY  - JOUR
AU  - S. I. Mardaev
TI  - Least fixed points in Grzegorczyk logic and intuitionistic
JO  - Algebra i logika
PY  - 1993
SP  - 519
EP  - 536
VL  - 32
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1993_32_5_a2/
LA  - ru
ID  - AL_1993_32_5_a2
ER  -