%0 Journal Article
%A V. I. Berdyshev
%T Differentiation of navigation error with respect to an approximating function and a geophysical field fragment
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 2000
%P 1003-1011
%V 40
%N 7
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_2000_40_7_a5/
%G ru
%F ZVMMF_2000_40_7_a5