On the principle of doubly symmetric Kaz’min sets

Аннотация

The problem of the completeness of the system of analytic functions of the form ∪_k=0²{[W(zδ^k)]³ⁿ}_n=0^∞, where n = 0, 1,..., k = 0, 1, 2, and δ = exp(2πi/3), in A(D) is solved.