%0 Journal Article %A Christopher Deninger %A Enric Nart %T Formal groups and L-series. %J Commentarii mathematici Helvetici %D 1990 %P 318-333 %V 65 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1990__65_3_140198/ %F CMH_1990__65_3_140198