%0 Journal Article %A Silvio Greco %A Grazia Raciti %T Gap orders of rational functions on plane curves with few singular points. %J Manuscripta mathematica %D 1991 %P 441-447 %V 70 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1991__70_1_155600/ %F MM2_1991__70_1_155600