Geometry of Surfaces by John C. Stillwell - Springer Mathematics Universitext PB

Introduction to Stochastic Finance Jia-An Yan Springer Universitext

Universitext Stochastic Differential Equations By Bernt Oksendal

Quadratic Algebras, Clifford Algebras & Arithmetic Witt Groups by AJ Hahn 1993

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Tools for Computational Finance Seydel Universitext Springer Black Scholes VG PB

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Nonlinear Differential Equations and Dynamical Systems (Universitext), Verhulst,