%0 Journal Article
%A V. I. Paasonen
%T Classification of difference schemes of the maximum possible accuracy on extended symmetric stencils for the Schr\"odinger equation and the heat transfer equation
%J Sibirskij žurnal vyčislitelʹnoj matematiki
%D 2020
%P 99-114
%V 23
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SJVM_2020_23_1_a6/
%G ru
%F SJVM_2020_23_1_a6