TY - JOUR AU - D. N. Babin TI - Undecidability of the completeness and {\it A}-completeness problems for some systems of automaton functions JO - Diskretnaya Matematika PY - 1995 SP - 52 EP - 65 VL - 7 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_1995_7_1_a2/ LA - ru ID - DM_1995_7_1_a2 ER -