1. F. G. Abdullayev and V. V. Andrievskii, “On the orthogonal polynomials in the domains with K–quasiconformal boundary,” Izv. Akad. Nauk Azerbaĭdzhan. SSR Ser. Fiz.-Tekh. Mat. Nauk, 1, 3–7 (1983).
2. F. G. Abdullayev, "On some properties on orthogonal polynomials over the regions of complex plane 1," Ukr. Math. Zh., 52, No. 12, 1587-1595 (2000)
3. English translation: Ukr. Math. J., 52, No. 12, 1807-1817 (2000).
4. F. G. Abdullayev, “On the interference of the weight boundary contour for orthogonal polynomials over the region,” J. Comput. Anal. Appl., 6, No. 1, 31–42 (2004).
5. F. G. Abdullayev and P. Özkartepe, “An analogue of the Bernstein–Walsh lemma in Jordan regions of the complex plane,” J. Inequal. Appl., 2013, Article 570 (2013).