%0 Journal Article %A Saade, Marshall %T A note on some identities equivalent to xy=wz %J Portugaliae mathematica %D 1974 %P 65-67 %V 33 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1974__33_2_115218/ %G en %F PORMA_1974__33_2_115218