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Found 5 Documents (Results 1–3)

Ukr. Math. J. 65, No. 5, 780-786 (2013); translation from Ukr. Mat. Zh. 65, No. 5, 706-711 (2013).
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Funct. Anal. Appl. 45, No. 2, 149-153 (2011); translation from Funkts. Anal. Prilozh. 45, No. 2, 86-91 (2011).
MSC:  47G10 45D05
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