Financial economics § Arbitrage-free pricing and equilibrium
Rational pricing
Harrison, J. Michael; Pliska, Stanley R. (1981). . Stochastic Processes and Their Applications. 11 (3): 215–260. doi:10.1016/0304-4149(81)90026-0.
"Martingales and Stochastic integrals in the theory of continuous trading"
Delbaen, Freddy; Schachermayer, Walter (1994). "A General Version of the Fundamental Theorem of Asset Pricing". Mathematische Annalen. 300 (1): 463–520. :10.1007/BF01450498.