This publication is cited in the following articles:
H. G. Ghazaryan, “Comparison of powers of differential polynomials”, Eurasian Math. J., 14:4 (2023), 23–46
G. V. Dallakyan, “Ob approksimatsii reshenii granichnykh zadach v neogranichennykh oblastyakh”, Uch. zapiski EGU, ser. Fizika i Matematika, 2000, no. 1, 33–41