TY  - JOUR
AU  - V. A. Lyubetskii
TI  - Intuitionistic theory of algebraic systems and
JO  - Algebra i logika
PY  - 1991
SP  - 320
EP  - 332
VL  - 30
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1991_30_3_a3/
LA  - ru
ID  - AL_1991_30_3_a3
ER  -