%0 Journal Article
%A E.F jr. Assmus
%A H.F. Mattson
%A M. Guza
%T Self-Orthogonal Steiner Systems and Projective Planes.
%J Mathematische Zeitschrift
%D 1974
%P 89-96
%V 138
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1974__138_172083/
%F MZ_1974__138_172083