%0 Journal Article %A Banks, W. D. %T Carmichael Numbers with a Square Totient %J Canadian mathematical bulletin %D 2009 %P 3-8 %V 52 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2009-001-7/ %R 10.4153/CMB-2009-001-7 %F 10_4153_CMB_2009_001_7