%0 Journal Article %A Subbarao, M.V. %A Warren, L. J. %T Unitary Perfect Numbers %J Canadian mathematical bulletin %D 1966 %P 147-153 %V 9 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-018-4/ %R 10.4153/CMB-1966-018-4 %F 10_4153_CMB_1966_018_4