Nonisospectral nonlinear difference equations
English version (Springer): Ukrainian Mathematical Journal 42 (1990), no. 4, pp 492-495.
Citation Example: Berezansky Yu. M., Shmoish M. E. Nonisospectral nonlinear difference equations // Ukr. Mat. Zh. - 1990. - 42, № 4. - pp. 555–558.
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