%0 Journal Article %A Vallois, P. %A Tapiero, C. S. %T Moments of an amplitude process in a random walk and approximations : computations and applications %J RAIRO - Operations Research - Recherche Opérationnelle %D 1995 %P 1-17 %V 29 %N 1 %I EDP-Sciences %U http://www.numdam.org/item/RO_1995__29_1_1_0/ %G en %F RO_1995__29_1_1_0