MAP20100051696 Lajeri-Chaherli, Fatma More on properness : the case of mean-variance preferences / Fatma Lajeri-Chaherli En: The Geneva Risk and Insurance Review. - The Netherlands : The Geneva Association, 1991-2010 = ISSN 0926-4957. - 01/06/2002 Número 1 27 2002 , p. 49-60 I. Title.