A 3D Finite-Difference BiCG Iterative Solver with the Fourier-Jacobi Preconditioner for the Anisotropic EIT/EEG Forward Problem. - Sergei Turovets; Vasily Volkov; Aleksei Zherdetsky; Alena Prakonina; Allen D. Malony (Comput. Math. Methods Medicine, 2014)