MAP20078038969 Breuer, Michael Optimal insurance contracts without the non-negativity constraint on indemnities: revisited / Michael Breuer En: The Geneva Risk and Insurance Review. - The Netherlands : The Geneva Association, 1991-2010 = ISSN 0926-4957. - 01/06/2006 Número 1 31 2006 , p. 5-9 I. Title.