%0 Journal Article
%A Schaer, J.
%T The Densest Packing of 9 Circles in a Square
%J Canadian mathematical bulletin
%D 1965
%P 273-277
%V 8
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-018-9/
%R 10.4153/CMB-1965-018-9
%F 10_4153_CMB_1965_018_9