%0 Journal Article %A Brigitte Servatius %T Here's to Jack E. Graver on his 80th birthday %J Ars Mathematica Contemporanea %D 2015 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AMC_2015__9_2_a15/ %G en %F AMC_2015__9_2_a15