%0 Journal Article %A Emmanuelle Servat %T A formal computation of the splitting for the Klein–Gordon operator %J Comptes Rendus. Mathématique %D 2004 %P 657-660 %V 338 %N 8 %I Elsevier %R 10.1016/j.crma.2004.02.005 %G en %F CRMATH_2004__338_8_657_0