TY - JOUR AU - V. A. Gorbunov TI - Quasi-identities of two-element algebras JO - Algebra i logika PY - 1983 SP - 121 EP - 127 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1983_22_2_a0/ LA - ru ID - AL_1983_22_2_a0 ER -