TY - JOUR AU - Mathieu Lewin TI - The multiconfiguration methods in quantum chemistry: Palais–Smale condition and existence of minimizers JO - Comptes Rendus. Mathématique PY - 2002 SP - 299 EP - 304 VL - 334 IS - 4 PB - Elsevier DO - 10.1016/S1631-073X(02)02252-5 LA - en ID - CRMATH_2002__334_4_299_0 ER -