TY - JOUR AU - N. V. Beljakin TI - Turing machines working in the plane JO - Doklady Akademii Nauk PY - 1966 SP - 502 EP - 503 VL - 168 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1966_168_3_a2/ LA - ru ID - DAN_1966_168_3_a2 ER -