%0 Journal Article %A E. Hewitt %A K. Ross %T Integrally positive-definite functions on groups %J Studia Mathematica %D 1968 %P 145-151 %V 31 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-31-2-145-151/ %R 10.4064/sm-31-2-145-151 %G en %F 10_4064_sm_31_2_145_151