RT Journal Article SR Electronic T1 Portfolio Insurance for the Small Investor in Switzerland JF The Journal of Derivatives FD Institutional Investor Journals SP 37 OP 43 DO 10.3905/jod.1996.407947 VO 3 IS 3 A1 Walter Wasserfallen A1 Christoph Schenk YR 1996 UL https://pm-research.com/content/3/3/37.abstract AB