Karachik V 1

1. Four Boundary Value Problems for a Nonlocal Biharmonic Equation in the Unit Ball
2. Bitsadze-Samarsky type problems with double involution
3. Construction of Eigenfunctions to One Nonlocal Second-Order Differential Operator with Double Involution
4. On a boundary value problem for the biharmonic equation with multiple involutions
5. On eigenfunctions and eigenvalues of a nonlocal laplace operator with multiple involution
6. On solvability of some inverse problems for a nonlocal fourth-order parabolic equation with multiple involution
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