%0 Journal Article
%A G. C. Nelson
%T A further restricted ω-rule
%J Colloquium Mathematicum
%D 1971
%P 1-3
%V 23
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-23-1-1-3/
%R 10.4064/cm-23-1-1-3
%G en
%F 10_4064_cm_23_1_1_3