%0 Journal Article %A Buium, Alexandru %T P-jets of finite algebras. II: $p$-typical Witt rings %J Documenta mathematica %D 2013 %P 971-996 %V 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2013__18__a20/ %G en %F DOCMA_2013__18__a20