MAP20100069912 Niederau, Harry Quasi risk-neutral pricing in insurance / Harry Niederau, Peter Zweifel En: Astin bulletin. - Belgium : ASTIN and AFIR Sections of the International Actuarial Association = ISSN 0515-0361. - 01/05/2009 Tomo 39 Número 1 - 2009 , p. 317-337 I. Zweifel, Peter .