%0 Journal Article
%A Tam, Tin-Yau
%T An extension of a result of Lewis
%J The electronic journal of linear algebra
%D 1999
%P 1-10
%V 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELA_1999__5__a7/
%G en
%F ELA_1999__5__a7