%0 Journal Article
%A Murray A. Marshall
%T Separating families for semi-algebraic sets.
%J Manuscripta mathematica
%D 1993
%P 73-80
%V 80
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1993__80_3_155859/
%F MM2_1993__80_3_155859