%0 Journal Article
%A G. V. Givishvili
%A L. N. Leshchenko
%T Long-term trends of the mid-latitude ionosphere and thermosphere properties
%J Doklady Akademii Nauk
%D 1993
%P 86-89
%V 333
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1993_333_1_a8/
%G ru
%F DAN_1993_333_1_a8