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Том 69
№ 9

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Parallelogram inequalities in banach spaces and some properties of a dual mapping

Al'ber Ya. I., Notik A. I.

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English version (Springer): Ukrainian Mathematical Journal 40 (1988), no. 6, pp 650-652.

Citation Example: Al'ber Ya. I., Notik A. I. Parallelogram inequalities in banach spaces and some properties of a dual mapping  // Ukr. Mat. Zh. - 1988. - 40, № 6. - pp. 769-771.

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