%0 Journal Article %A Trevor Arnold %A Koopa Tak-Lun Koo %T Change of Selmer group for big Galois representations and application to normalization %J Documenta mathematica %D 2011 %P 885-899 %V 16 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/354/ %R 10.4171/dm/354 %F 10_4171_dm_354