MAP20078038939 Samartín, Margarita On the Optimality of banck runs : comment on allen and gale / by Margarita Samartín En: The Geneva Risk and Insurance Review. - The Netherlands : The Geneva Association, 1991-2010 = ISSN 0926-4957. - 01/06/2003 Número 1 28 2003 , p. 33-57 I. Título.