%0 Journal Article
%A N. Meiman
%T The monotonic argument principle and differentiation of inequalities
%J Doklady Akademii Nauk
%D 1958
%P 1191-1193
%V 120
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1958_120_6_a5/
%G ru
%F DAN_1958_120_6_a5