%0 Journal Article %A W. W. Crawley-Boevey %T Matrix problems and Drozd's theorem %J Banach Center Publications %D 1990 %P 199-222 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/-26-1-199-222/ %R 10.4064/-26-1-199-222 %G en %F 10_4064__26_1_199_222