%0 Journal Article
%A I. V. Boikov
%A V. A. Ryazantsev
%T On the optimal approximation of geophysical fields
%J Sibirskij žurnal vyčislitelʹnoj matematiki
%D 2021
%P 17-34
%V 24
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SJVM_2021_24_1_a2/
%G ru
%F SJVM_2021_24_1_a2