%0 Journal Article
%A S. P. Grushevskii
%T Certain extremal problems on the class of the functions that map the upper half plane into itself
%J Matematičeskie zametki
%D 1983
%P 913-921
%V 34
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1983_34_6_a11/
%G ru
%F MZM_1983_34_6_a11