%0 Journal Article %A Pearl, Martin H. %T A Decomposition Theorem for Matrices %J Canadian journal of mathematics %D 1967 %P 344-349 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-025-2/ %R 10.4153/CJM-1967-025-2 %F 10_4153_CJM_1967_025_2