%0 Journal Article
%A DAVID DE LAAT
%A FERNANDO MÁRIO DE OLIVEIRA FILHO
%A FRANK VALLENTIN
%T Upper bounds for packings of spheres of several radii
%J Forum of Mathematics, Sigma
%D 2014
%V 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1017/fms.2014.24/
%R 10.1017/fms.2014.24
%G en
%F 10_1017_fms_2014_24