%0 Journal Article %A Athanasios A. Pantelous %A Alexandros A. Zimbidis %T Dynamic reforming of a quasi pay-as-you-go social security system within a discrete stochastic multidimensional framework using optimal control methods %J Applicationes Mathematicae %D 2008 %P 121-144 %V 35 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am35-2-1/ %R 10.4064/am35-2-1 %G en %F 10_4064_am35_2_1