%0 Journal Article %A Ohkubo, Shun %T A ring of periods for Sen modules in the imperfect residue field case %J Comptes Rendus. Mathématique %D 2010 %P 601-603 %V 348 %N 11-12 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2010.04.020/ %R 10.1016/j.crma.2010.04.020 %G en %F CRMATH_2010__348_11-12_601_0