TY - JOUR AU - S. V. Pakhomov TI - Approximability of operators in constructive metric spaces JO - Zapiski Nauchnykh Seminarov POMI PY - 1976 SP - 171 EP - 182 VL - 60 UR - http://geodesic.mathdoc.fr/item/ZNSL_1976_60_a11/ LA - ru ID - ZNSL_1976_60_a11 ER -