%0 Journal Article
%A Mullin, R. C.
%A Nemeth, E.
%T On the Nonexistence of Orthogonal Steiner Systems of Order 9
%J Canadian mathematical bulletin
%D 1970
%P 131-134
%V 13
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1970-028-2/
%R 10.4153/CMB-1970-028-2
%F 10_4153_CMB_1970_028_2