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Том 69
№ 9

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Method of operator cosine in the problem of essential self-adjointness of a nonsemibounded symmetric operator

Orochko Yu. B.

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English version (Springer): Ukrainian Mathematical Journal 33 (1981), no. 3, pp 268-273.

Citation Example: Orochko Yu. B. Method of operator cosine in the problem of essential self-adjointness of a nonsemibounded symmetric operator // Ukr. Mat. Zh. - 1981. - 33, № 3. - pp. 348–355.

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