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3. 3. V. I. Smirnov, N. A. Lebedev, The Constructive Theory of Functions of a Complex Variable [in Russian], Nauka, Moscow (1964)
4. Functions of a Complex Variable: Constructive Theory [English Translation], M.I.T. Press, Cambridge (1968).
5. 4. M. A. Sukhorol's'kyi, "Expansion of analytic functions in systems of polynomials of Mellin type," Visn. Nats. Univ. "Lviv. Politekhnika," Ser. Fiz.-Mat. Nauky, No. 346, 111-115 (2005) (in Ukrainian).