%0 Journal Article %A F. Acquistapace %A F. Broglia %T An algorithmic criterion for basicness in dimension 2. %J Manuscripta mathematica %D 1994 %P 45-66 %V 85 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1994__85_3-4_156007/ %F MM2_1994__85_3-4_156007