TY - JOUR AU - T. V. Plokhonina TI - On the ill-posed nature of the algebraic closure of the second power of a set of algorithms for calculating estimates JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1985 SP - 1078 EP - 1085 VL - 25 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1985_25_7_a11/ LA - ru ID - ZVMMF_1985_25_7_a11 ER -