1. S. Bergman, “Über die Kernfunktion eines Bereiches und ihr Verhalten am Rande. I,” J. Reine Angew. Math. 1933 (169), 1–42 (1933). https://doi.org/10.1515/crll.1933.169.1
2. M. M. Dzhrbashyan, “On the canonical representation of meromorphic functions in the unit disc,” Dokl. Akad. Nauk Arm. SSR 3 (1), 3–9 (1945).
3. M. M. Dzhrbashyan, “On the problem of representability of analytic functions,” Soobshch. Inst. Mat. Mekh. Akad. Nauk Arm. SSR, No. 2, 3–40 (1948).
4. A. E. Djrbashian and F. A. Shamoian, Topics in the Theory of
$${\text{A}}_{\alpha }^{p}$$
Spaces, Teubner-Texte zur Mathematik, Vol. 105 (Teubner, Leipzig, 1988).
5. P. Duren and A. Schuster, Bergman Spaces, Mathematical Surveys and Monographs, Vol. 100 (Am. Math. Soc., Providence, R.I., 2004).