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On the Fredholm property of general boundary value problems for quasi- elliptic equations with operator coefficients depending on the variables. (Russian. English summary) Zbl 0539.35075

Summary: Coercive solvability and Fredholm properties of general non-local boundary problems for a class of partial differential-operator equations of quasi-elliptic type are proved.

MSC:

35R20 Operator partial differential equations (= PDEs on finite-dimensional spaces for abstract space valued functions)
35B45 A priori estimates in context of PDEs
47A53 (Semi-) Fredholm operators; index theories
35J99 Elliptic equations and elliptic systems
35A05 General existence and uniqueness theorems (PDE) (MSC2000)
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