%0 Journal Article %A Morgado, José %T Some remarks on the unitary analogue of the Nagell totient function %J Portugaliae mathematica %D 1963 %P 127-135 %V 22 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1963__22_3_114901/ %G en %F PORMA_1963__22_3_114901