%0 Journal Article %A Seeger, A. %A Volle, M. %T On a convolution operation obtained by adding level sets : classical and new results %J RAIRO - Operations Research - Recherche Opérationnelle %D 1995 %P 131-154 %V 29 %N 2 %I EDP-Sciences %U http://www.numdam.org/item/RO_1995__29_2_131_0/ %G en %F RO_1995__29_2_131_0