“…In view of Condition 𝑖 3 ), the space 𝐴 𝑚+1 (Ω) is continuously embedded into 𝐴 𝑚 (Ω) for each 𝑚 ∈ N. It is clear that 𝐴 ℋ (Ω) is a Frechét space continuously embedded into 𝐴 ∞ (Ω), and by Condition 𝑖 4 ), it is invariant with respect to the differentiation. The spaces of holomorphic functions with a boundary smoothness naturally arise in studying many problems in complex analysis, operator theory, approximation theory [1]- [9]. It is clear that for each 𝑧 ∈ C 𝑛 the function 𝑓 𝑧 (𝜆) = 𝑒 ⟨𝜆,𝑧⟩ belongs to 𝐴 ∞ (Ω).…”