%0 Journal Article %A G. Loizou %T Diagonal transformations %J Applicationes Mathematicae %D 1988 %P 245-254 %V 20 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-20-2-245-254/ %R 10.4064/am-20-2-245-254 %G fr %F 10_4064_am_20_2_245_254