. "Kudryavtsev" . "Finite difference schemes"@en . . . "Barrier options"@en . "b8c38494b46f01631181b183e85b6bd8" . "Wiener-Hopf factorization"@en . "Oleg" . "Numerical methods"@en . "American options"@en . "L\u00E9vy processes"@en . "Regime switching models"@en . "Numerical transform inversion"@en . "Oleg Kudryavtsev" . "Laplace transform"@en .