TY - JOUR AU - Starke, Peter H. TI - Closedness properties and decision problems for finite multi-tape automata JO - Kybernetika PY - 1976 SP - 61 EP - 75 VL - 12 IS - 2 UR - http://geodesic.mathdoc.fr/item/KYB_1976_12_2_a0/ LA - en ID - KYB_1976_12_2_a0 ER -