%0 Journal Article
%A Zima, Václav
%T Special issue for the International Union of Radio Science
%J Kybernetika
%D 1990
%P 169-170
%V 26
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KYB_1990__26_3_a0/
%G en
%F KYB_1990__26_3_a0