%0 Journal Article %A A. R. Amir-Moéz %A W. A. Donnell %A C. R. Perry %T On the arguments of proper values of normal and unitary transformations %J Matematički vesnik %D 1972 %P 39 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MV_1972_24_1_a5/ %F MV_1972_24_1_a5