%0 Journal Article %A V. M. Verzhbitskii %T On the instability of symmetric formulas for numerical differentiation and integration %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 2015 %P 928-932 %V 55 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_2015_55_6_a2/ %G ru %F ZVMMF_2015_55_6_a2