%0 Journal Article %A Stojaković Zoran %T Dihedral Quadruple systems %J Novi Sad Journal of Mathematics %D 1992 %P 81-88 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1992_22_1a_6/ %F NSJOM_1992_22_1a_6