%0 Journal Article
%A Tuan, P. D.
%A Anh, V. V.
%T Extremal problems for functions of positive real part with a fixed coefficient and applications
%J Czechoslovak Mathematical Journal
%D 1980
%P 302-312
%V 30
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1980.101679/
%R 10.21136/CMJ.1980.101679
%G en
%F 10_21136_CMJ_1980_101679