%0 Journal Article %A Sankaran, Parameswaran %T Determination of Grassmann Manifolds Which are Boundaries %J Canadian mathematical bulletin %D 1991 %P 119-122 %V 34 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-019-8/ %R 10.4153/CMB-1991-019-8 %F 10_4153_CMB_1991_019_8