1. Babenko, K.I.: A problem of Gauss (Russian). Dokl. Akad. Nauk SSSR 238(5), 1021–1024 (1978)
2. Babenko, K.I., Petrovich, V.J.: Demonstrative calculations in the problem of existence of the solution of the doubling equation (Russian). Dokl. Akad. Nauk. SSSR 277(2), 265–269 (1984)
3. Bahsoun, W., Galatolo, S., Nisoli, I., Niu, X.: Rigorous approximation of diffusion coefficients for expanding maps. J. Stat. Phys. 163, 1486–1503 (2016)
4. Bandtlow, O., Slipantschuk, J.: Lagrange approximation of transfer operators associated with holomorphic data, arxiv:2004.03534
5. Bose, C., Murray, R.: The exact rate of approximation in Ulam’s method. Discret. Contin. Dyn. Syst. 7, 219–235 (2001)