%0 Journal Article
%A Zyskowska, Krystyna
%T On an extremal problem
%J Mathematica Bohemica
%D 1995
%P 113-124
%V 120
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/MB.1995.126223/
%R 10.21136/MB.1995.126223
%G en
%F 10_21136_MB_1995_126223