%0 Journal Article %A Joseph Ngatchou-Wandji %A Michel Harel %A Echarif Elharfaoui %T A nonparametric test for conditional symmetry in nonstationary and absolutely regular dynamical models %J Comptes Rendus. Mathématique %D 2010 %P 1021-1026 %V 348 %N 17-18 %I Elsevier %R 10.1016/j.crma.2010.09.007 %G en %F CRMATH_2010__348_17-18_1021_0