%0 Journal Article %A Hamid Drljević %T On a Functional Which is Quadratic on A-orthogonal Vectors %J Publications de l'Institut Mathématique %D 1986 %P 63 %V _N_S_40 %N 54 %I mathdoc %U http://geodesic.mathdoc.fr/item/PIM_1986_N_S_40_54_a7/ %G en %F PIM_1986_N_S_40_54_a7