TY - JOUR AU - D. E. Pal'chunov TI - On the undecidability of theories of Boolean algebras with a JO - Algebra i logika PY - 1986 SP - 326 EP - 346 VL - 25 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1986_25_3_a5/ LA - ru ID - AL_1986_25_3_a5 ER -