1. A. I. Bandura, “Entire functions of bounded index in frame,” Mat. Stud., 54, No. 2, 193–202 (2020); https://doi.org/10.30970/ms.54.2.193-202.
2. A. I. Bandura and O. B. Skaskiv, “Boundedness of L-index in direction of functions of the form f(〈z, m〉) and existence theorems,” Mat. Stud., 41, No. 1, 45–52 (2014).
3. A. I. Bandura and O. B. Skaskiv, “Entire functions of bounded L-index in direction,” Mat. Stud., 27, No. 1, 30–52 (2007).
4. A. Bandura and O. Skaskiv, Entire Functions of Several Variables of Bounded Index, Publ. I. E. Chyzhykov, Lviv (2016).
5. A. Bandura and O. Skaskiv, “Functions analytic in the unit ball having bounded L-index in a direction,” Rocky Mountain J. Math., 49, No. 4, 1063–1092 (2019); https://doi.org/10.1216/RMJ-2019-49-4-1063.