TY - JOUR AU - An. A. Muchnik TI - The basic structures of the descriptive theory of algorithms JO - Doklady Akademii Nauk PY - 1985 SP - 280 EP - 283 VL - 285 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_285_2_a4/ LA - ru ID - DAN_1985_285_2_a4 ER -