%0 Journal Article %A Ossandón, Sebastian %A Bahamonde, Natalia %T A new nonlinear formulation for GARCH models %J Comptes Rendus. Mathématique %D 2013 %P 235-239 %V 351 %N 5-6 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2013.02.014/ %R 10.1016/j.crma.2013.02.014 %G en %F CRMATH_2013__351_5-6_235_0