%0 Journal Article %A Mathieu Lewin %T The multiconfiguration methods in quantum chemistry: Palais–Smale condition and existence of minimizers %J Comptes Rendus. Mathématique %D 2002 %P 299-304 %V 334 %N 4 %I Elsevier %R 10.1016/S1631-073X(02)02252-5 %G en %F CRMATH_2002__334_4_299_0