%0 Journal Article
%A V. O. Belash
%A B. V. Pal'tsev
%T On the spectral and approximating properties of cubic finite-element approximations of the Laplace and first-derivative operators: The periodic case
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 2000
%P 754-774
%V 40
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_2000_40_5_a8/
%G ru
%F ZVMMF_2000_40_5_a8