%0 Journal Article %A Tauno Metsänkylä %T A characterization of the λ-invariant of a p-adic L-function %J Annales Fennici Mathematici %D 1987 %P 335-338 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1987.1225/ %R 10.5186/aasfm.1987.1225 %G en %F AFM_1987_12_2_a17