%0 Journal Article
%A W.D. WALLIS
%T On the Existence of Room Squares
%J Aequationes mathematicae
%D 1973
%P 260-266
%V 9
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1973__9_136354/
%F AM2_1973__9_136354