%0 Journal Article %A Zygmunt Vetulani %T Ramified analysis and the minimal β-models of higher order arithmetics %J Fundamenta Mathematicae %D 1984 %P 1-15 %V 121 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-121-1-1-15/ %R 10.4064/fm-121-1-1-15 %G en %F 10_4064_fm_121_1_1_15