TY - JOUR AU - N. Kh. Kasymov TI - On the number of $Q$-congruences of positive algebras JO - Algebra i logika PY - 1992 SP - 297 EP - 305 VL - 31 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1992_31_3_a2/ LA - ru ID - AL_1992_31_3_a2 ER -