We consider the class of boundary value problems for elliptic, parabolic, and hyperbolic equations in cylinders separated by a two-layer film into two half-cylinders. We prove the existence and uniqueness theorem and express the solutions in terms of solutions to analogous classical problems in cylinders without films.
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Translated from Sibirskii Zhurnal Chistoi i Prikladnoi Matematiki 16, No. 3, 2016, pp. 98-102.
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Kholodovskii, S.E. Solution of Boundary Value Problems in Cylinders with Two-Layer Film Inclusions. J Math Sci 230, 55–59 (2018). https://doi.org/10.1007/s10958-018-3726-z
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DOI: https://doi.org/10.1007/s10958-018-3726-z