3BLACK F, SCHOLES M. The pricing of options and corporate liabilitids [J]. Journal of Political Economy, 1973, 81: 637- 659.
4BLADT M, RYDBERG H T. An actuarial approach to option pricing under the physical measure and without Market assump- tions [ J ]. Insurance : Mathematics and Economics, 1998, 22 (1) : 65 -73.
