%0 Journal Article %A B. Opozda %T A theorem on metric polynomial structures %J Annales Polonici Mathematici %D 1983 %P 139-147 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-41-2-139-147/ %R 10.4064/ap-41-2-139-147 %G en %F 10_4064_ap_41_2_139_147