%0 Journal Article
%A J. Douglas
%T Systems of K-dimensional manifolds in an N-dimensional space
%J Mathematische Annalen
%D 1931
%P 707-733
%V 105
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1931__105_159533/
%F MAN_1931__105_159533