D. Harutyunyan, J. Rommes, J. Maten and W. Schilders, "Simulation of Mutually Coupled Oscillators Using Nonlinear Phase Macromodels", {IEEE} Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 28, no. 10, pp. 1456--1466, Oct. 2009. Institute of Electrical and Electronics Engineers ({IEEE}).

M. Ehrhardt and C. Zheng, "Implementing exact absorbing boundary condition for the linear one-dimensional Schrödinger problem with variable potential by Titchmarsh-Weyl theory" , 2009.

A. Bartel, S. Knorr and R. Pulch, "Wavelet-based Adaptive Methods for Multirate Partial Differential-Algebraic Equations", APNUM, vol. 59, pp. 495--506, 2009.

A. Bartel, S. Knorr and R. Pulch, "Wavelet-based adaptive grids for multirate partial differential-algebraic equations", Applied numerical mathematics, vol. 59, no. 3-4, pp. 495--506, 2009. North-Holland.

P. {Beyer and J. }. Kienitz, "Pricing Forward Start Option in Models based on Lévy Processes", The Icfai University Journal of Derivatives Markets, vol. 6(2), pp. 7-23, 2009.