TY - JOUR AU - J. Demetrovich AU - L. Hannak TI - On finite algebras with one operation JO - Algebra i logika PY - 1980 SP - 640 EP - 645 VL - 19 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1980_19_6_a1/ LA - ru ID - AL_1980_19_6_a1 ER -