%0 Journal Article %A Sigal, I. M. %T Mathematical questions of quantum many-body theory %J Séminaire Goulaouic-Schwartz %Z talk:23 %D 1986-1987 %P 1-24 %I Ecole Polytechnique, Centre de Mathématiques %U https://www.numdam.org/item/SEDP_1986-1987____A22_0/ %G en %F SEDP_1986-1987____A22_0