%0 Journal Article %A J.S. Hwang %A Paul Erdös %T On a geometric property of Lemniscates. (Short Communication). %J Aequationes mathematicae %D 1978 %P 118-120 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1978__17_136733/ %F AM2_1978__17_136733