%0 Journal Article %A Bacher, Roland %A Venkov, Boris %T Lattices and association schemes: a unimodular example without roots in dimension 28 %J Annales de l'Institut Fourier %D 1995 %P 1163-1176 %V 45 %N 5 %I Association des Annales de l’institut Fourier %U https://aif.centre-mersenne.org/articles/10.5802/aif.1490/ %R 10.5802/aif.1490 %G en %F AIF_1995__45_5_1163_0