Cours Spécialisés is published by the . Volumes are sold as separate issues. In this series the volume, Introduction á la théorie analytique des nombres and the volume of corrected exercises are also available. The AMS distributes Cours Spécialisés in the United States, Canada, and Mexico. Orders from other countries should be sent to the 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 1284-6090) Softcover.