1. N.I. Akhiezer, The Classical Moment Problem (Oliver and Boyd, Edinburgh, 1965)
2. F. Alvarez, A. Alegra, J. Colmenero, Relationship between the time-domain Kohlrausch-Williams-Watts and frequency-domain Havriliak-Negami relaxation functions. Phys. Rev. B 44, 7306–7312 (1991)
3. E.J. Beltrami, M.R. Wohlers, Distributions and the Boundary Values of Analytic Functions (Academic, New York, 1966)
4. A. Bernland, A. Luger, M. Gustafsson, Sum rules and constraints on passive systems. J. Phys. A Math. Theor. 44(14), 145–205 (2011)
5. S. Boyd, L. Vandenberghe, Convex Optimization (Cambridge University Press, Cambridge, 2004)