%0 Journal Article
%A Retherford, J. R.
%T Some Characterizations of co and l1
%J Canadian mathematical bulletin
%D 1967
%P 39-52
%V 10
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1967-005-7/
%R 10.4153/CMB-1967-005-7
%F 10_4153_CMB_1967_005_7