On the optimal renewal of bilinear functionals in linear Normed spaces by Babenko, V. F., Rudenko, A. A., Бабенко, В. Ф., Руденко, А. А., Бабенко, В. Ф., Руденко, А. А.

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Optimization of quadratures on classes of functions given by differential operators with Real Spectra by Babenko, V. V., Rudenko, A. A., Бабенко, В. В., Руденко, А. А., Бабенко, В. В., Руденко, А. А.

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Optimal Recovery of n-Linear Functionals According to Linear Information by Babenko, V. F., Gun’ko, M. S., Rudenko, A. A., Бабенко, В. Ф., Гунько, М. С., Руденко, А. А., Бабенко, В. Ф., Гунько, М. С., Руденко, А. А.

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