Numerical Integration by Means of Adapted Euler Summation Formulas. W. Freeden; J. Fleck — 1987 Numerische Mathematik
On multiscale denoising of spherical functions: basic theory and numerical aspects. Freeden, W.; Maier, T. — 2002 ETNA. Electronic Transactions on Numerical Analysis [electronic only]
Multiscale deformation analysis by Cauchy-Navier wavelets. Abeyratne, M.K.; Freeden, W.; Mayer, C. — 2003 Journal of Applied Mathematics