%0 Journal Article %A Abraham Love Prins %T On the Fischer matrices of a group of shape 21+2n+ : G %J Revista colombiana de matematicas %D 2022 %P 189-211 %V 56 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_2022_56_2_a5/ %F RCM_2022_56_2_a5