%0 Journal Article %A DeCicco, John %A Anderson, Robert V. %T On the system of scale curves of a cartogram T. %J Collectanea mathematica %D 1970 %P 193-197 %V 21 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CLTM_1970_1970_1_a11/ %G en %F CLTM_1970_1970_1_a11