TY - JOUR AU - V. M. Verzhbitskii TI - On the instability of symmetric formulas for numerical differentiation and integration JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 2015 SP - 928 EP - 932 VL - 55 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_2015_55_6_a2/ LA - ru ID - ZVMMF_2015_55_6_a2 ER -