%0 Journal Article %A M. S. Lucido %A M. R. Pournaki %T Probability that an element of a finite group has a square root %J Colloquium Mathematicum %D 2008 %P 147-155 %V 112 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm112-1-7/ %R 10.4064/cm112-1-7 %G en %F 10_4064_cm112_1_7