1. A. F. Leont'ev, ?On the representation of functions by sequences of Dirichlet polynomials,? Matem. Sbornik,70 (112), No. 1, 132?144 (1966).
2. A. F. Leont'ev, ?The representation of functions by generalized Dirichlet series,? Uspekhi Matem. Nauk,24, No. 2 (146), 97?164 (1969).
3. A. F. Leont'ev, ?On the representation of analytic functions by Dirichlet series,? Matem. Sbornik,80 (122), No. 1 (9), 117?156 (1969).
4. A. I. Markushevich, The Theory of Analytic Functions, Vol. 1 [in Russian], Moscow (1967).