%0 Journal Article
%A Vlastimil Ptak
%T Uniqueness in the first maximum problem.
%J Manuscripta mathematica
%D 1983
%P 101-104
%V 42
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1983__42_154926/
%F MM2_1983__42_154926