%0 Journal Article
%A J. Meder
%T On a lemma of S. Kaczmarz
%J Colloquium Mathematicum
%D 1964
%P 253-258
%V 12
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-12-2-253-258/
%R 10.4064/cm-12-2-253-258
%G pl
%F 10_4064_cm_12_2_253_258