%0 Journal Article
%A Wilhelm Singhof
%T Minimal Coverings of Manifolds with Balls.
%J Manuscripta mathematica
%D 1979
%P 385-416
%V 29
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1979__29_154669/
%F MM2_1979__29_154669