Koshanov B 1

1. Solvability of Some Elliptic Equations with a Nonlocal Boundary Condition
2. Criteria for the Uniqueness of a Solution to a Differential-Operator Equation with Non-Degenerate Conditions
3. Uniqueness Criteria for Solving a Time Nonlocal Problem for a High-Order Differential Operator Equation l(·)—A with a Wave Operator with Displacement
4. On Fredholm solvability and on the index of the generalized Neumann problem for an elliptic equation
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