Memoires de la Société Mathématique de France is approximately 450 pages in length per year and is divided into 5 numbers. Each number is a monograph or a series of articles on a single subject. The editorial committee has brought this journal to the forefront in scientific quality. Memoires de la Société Mathématique de France is sold in the current year as separate issues or as a journal subscription. Distributed by the AMS in the United States, Canada, and Mexico. Orders from other countries should be sent to the Société Mathématique de France (SMF), Maison de la SMF, case 916-Luminy-F-13288 Marseille cedex 09, France, or to Institut Henri Poincaré, 11 rue Pierre et Marie Curie, 75231 Paris cedex 05, France. Members of the SMF receive a 30% discount from list. (ISSN 0249-633X) Softcover.