%0 Journal Article %A Guillermo Moreno Socias %T Length of Polynomial Ascending Chains and Primitive Recursiveness. %J Mathematica Scandinavica %D 1992 %P 181-205 %V 71 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1992__71_1_167222/ %F MS2_1992__71_1_167222