Mathematical Physics Research Group

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Francesca Brini Research Center of Applied Mathematics C.I.R.A.M Università di Bologna Via Saragozza, 8 40123 Bologna ITALY Tel. +39 051 2093977 Fax +39 051 582528 e-mail: brini@ciram.ing.unibo.it Home page: http://eulero.ing.unibo.it/~brini