1. D. I. Mendeleev, Investigation of Aqueous Solutions by Specific Gravity (Tip. V. Demakova, St. Petersburg, 1887) [in Russian].
2. A. A. Markov, “On a problem posed by D. I. Mendeleev,” Izv. Akad. Nauk. St. Petersburg 62, 1–24 (1889).
3. A. A. Markov, Selected Works on Theory of Continued Fractions and Theory of Functions Deviating Least from Zero (OGIZ, Moscow, Leningrad, 1948) [in Russian].
4. V. A. Markov, On Functions Deviating Least from Zero in the Given Interval (Izdat. Imp. Akad. Nauk, St. Petersburg, 1892) [in Russian].
5. V. I. Smirnov and N. A. Lebedev, Constructive Theory of Functions of a Complex Variable (Nauka, Moscow, Leningrad, 1964) [in Russian].