%0 Journal Article
%A V. I. Berdyshev
%A V. B. Kostousov
%T Extremal problems of navigation by geophysical fields
%J Eurasian journal of mathematical and computer applications
%D 2018
%P 4-18
%V 6
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/EJMCA_2018_6_2_a0/
%G en
%F EJMCA_2018_6_2_a0