Properties of exponential series, the exponents of which have finite density
English version (Springer): Ukrainian Mathematical Journal 43 (1991), no. 2, pp 246-249.
Citation Example: Krutigolova Ye. K. Properties of exponential series, the exponents of which have finite density // Ukr. Mat. Zh. - 1991. - 43, № 2. - pp. 277–280.
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