Editing Gauss–Kuzmin–Wirsing operator (section)

==General references==
* [[Aleksandr Khinchin|A. Ya. Khinchin]], ''Continued Fractions'', 1935, English translation University of Chicago Press,  1961 {{ISBN|0-486-69630-8}} ''(See section 15).''
* K. I. Babenko, ''On a Problem of Gauss'', Soviet Mathematical Doklady '''19''':136–140 (1978) {{MR|472746}}
* K. I. Babenko and S. P. Jur'ev, ''On the Discretization of a Problem of Gauss'', Soviet Mathematical Doklady '''19''':731–735 (1978). {{MR|499751}}
* A. Durner,  ''On a Theorem of Gauss–Kuzmin–Lévy.'' Arch. Math. '''58''', 251–256, (1992). {{MR|1148200 }}
* A. J. MacLeod, ''High-Accuracy Numerical Values of the Gauss–Kuzmin Continued Fraction Problem.'' Computers Math. Appl. '''26''', 37–44, (1993).
* E. Wirsing, ''On the Theorem of Gauss–Kuzmin–Lévy and a Frobenius-Type Theorem for Function Spaces.'' Acta Arith. '''24''', 507–528, (1974). {{MR|337868 }}