TY - JOUR AU - J. M. Barzdiņš TI - Complexity and accuracy of the solution of initial segments of the problem of occurrence in a recursively enumerable set JO - Doklady Akademii Nauk PY - 1971 SP - 262 EP - 264 VL - 199 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1971_199_2_a2/ LA - ru ID - DAN_1971_199_2_a2 ER -