%0 Journal Article
%A Yu. A. Dolgopolov
%T The systematic errors of definition of the depth of underground communications

%J Doklady Akademii Nauk
%D 1986
%P 1104-1108
%V 291
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1986_291_5_a19/
%G ru
%F DAN_1986_291_5_a19