%0 Journal Article %A Bonnett, D.A. %A Porter, J.R. %T Matrix Characterizations of Topological Properties %J Canadian mathematical bulletin %D 1968 %P 95-105 %V 11 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1968-013-9/ %R 10.4153/CMB-1968-013-9 %F 10_4153_CMB_1968_013_9