%0 Journal Article %A Isozaki, Hiroshi %T A generalization of the radiation condition of Sommerfeld for $N$-body Schrödinger operators %J Journées équations aux dérivées partielles %D 1993 %P 1-9 %I Ecole polytechnique %U https://www.numdam.org/articles/10.5802/jedp.448/ %R 10.5802/jedp.448 %G en %F JEDP_1993____A11_0