TY - JOUR AU - Yu. I. Cherskii TI - Two theorems on error estimation and some of their applications JO - Doklady Akademii Nauk PY - 1963 SP - 271 EP - 274 VL - 150 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1963_150_2_a13/ LA - ru ID - DAN_1963_150_2_a13 ER -