1. R.S. Anderssen and P. Bloomfield. Numerical differentiation procedures for non-exact data. Numer. Math., 22:157–182, 1973.
2. J. Baumeister. Stable Solutions of Inverse Problems. Vieweg, Braunschweig, 1987.
3. H. Bialy. Iterative Behandlung linearer Funktionalgleichungen. Arch. Rat. Mech. Anal., 4:166, 1959.
4. H. Brakhage. On ill-posed problems and the method of conjugate gradients. In H.W. Engl and C.W. Groetsch, editors, Inverse and Ill-Posed Problems. Academic Press, New York, 1987.
5. H. Brunner. Discretization of Volterra integral equations of the first kind (II). Numer. Math., 30:117–136, 1978.