%0 Journal Article
%A V. A. Taft
%A V. Yu. Gorelik
%T On the frequency and time characteristics of systems with varying parameters
%J Doklady Akademii Nauk
%D 1969
%P 1251-1253
%V 187
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_187_6_a10/
%G ru
%F DAN_1969_187_6_a10