1. Hedging of contigent claims under incomplete information;Föllmer,1991
2. Hedging of non-redundant contingent claims;Föllmer,1986
3. Portfolio selection;Markowitz;Journal of Finance,1952
4. A mean/variance analysis of tracking error;Roll;Journal of Portfolio Management,1992
5. Option hedging for semimartingales;Schweizer;Stochastic Processes and their Applications,1991