Spectral analysis of elliptic differential equations in Hilbert space
English version (Springer): Ukrainian Mathematical Journal 38 (1986), no. 1, pp 41-46.
Citation Example: Mikhailets V. A. Spectral analysis of elliptic differential equations in Hilbert space // Ukr. Mat. Zh. - 1986. - 38, № 1. - pp. 49–55.
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