Literature cited
V. A. Malovichko, “On a nonlocal boundary-value problem for an equation of the fourth order,” Ukr. Mat. Zh.,38, No. 6, 799–801 (1986).
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 41, No. 12, pp.1653–1659, December, 1989.
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Malovichko, V.A. Nonlocal boundary-value problems for differential equations of the fourth order. Ukr Math J 41, 1423–1428 (1989). https://doi.org/10.1007/BF01056111
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DOI: https://doi.org/10.1007/BF01056111