Analog of the n-point problem for a linear hyperbolic equation
English version (Springer): Ukrainian Mathematical Journal 23 (1971), no. 4, pp 398-405.
Citation Example: Ptashnik B. I. Analog of the n-point problem for a linear hyperbolic equation // Ukr. Mat. Zh. - 1971. - 23, № 4. - pp. 472–481.
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