%0 Journal Article
%A Helen F. Cullen
%T Curve breakers
%J Colloquium Mathematicum
%D 1964
%P 217-221
%V 13
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-13-2-217-221/
%R 10.4064/cm-13-2-217-221
%G en
%F 10_4064_cm_13_2_217_221