%0 Journal Article
%A Singer, Ivan
%T On a theorem of V. Pták concerning best approximation of continuous functions in the metric $\int_a^b|x(t)|dt$
%J Czechoslovak Mathematical Journal
%D 1960
%P 425-431
%V 10
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1960.100423/
%R 10.21136/CMJ.1960.100423
%G en
%F 10_21136_CMJ_1960_100423