[Authors]
 V. N. Malozemov and K. Yu. Tsvetkov

[Title]
 A sampling theorem in Vilenkin-Chrestenson basis

[AMS Subj-class]
 42C10 Fourier series in special orthogonal functions

[Abstract]
 The following statement is proved: if a discrete signal $x$ has zero-valued
 high-frequency coefficients in its Vilenkin-Chrestenson expansion then $x$
 is a step function.

[Comments]
 Russian, 6 pp.

[Contact e-mail]
 malv@gamma.math.spbu.ru
 wavelet3@mail.ru