TY - JOUR AU - F. L. Chernous'ko TI - Guaranteed estimates of undetermined quantities by means of ellipsoids JO - Doklady Akademii Nauk PY - 1980 SP - 51 EP - 54 VL - 251 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_251_1_a13/ LA - ru ID - DAN_1980_251_1_a13 ER -