%0 Journal Article %A Cieslak, Waldemar %A Zajac, Jósef %T A measure of symmetry for ovals %J Portugaliae mathematica %D 1985 %P 485-493 %V 43 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1985__43_4_114538/ %G en %F PORMA_1985__43_4_114538