Representation of functions by series $\sum_{n = 1}^\infty {d_n } f(\lambda _n z)$
English version (Springer): Ukrainian Mathematical Journal 31 (1979), no. 3, pp 198-204.
Citation Example: Vynnyts’kyi B. V. Representation of functions by series $\sum_{n = 1}^\infty {d_n } f(\lambda _n z)$ // Ukr. Mat. Zh. - 1979. - 31, № 3. - pp. 256–265.
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