On a self-adjoint operator associated with elliptic problems with a spectral parameter in the boundary conditions
DOI10.1007/BF01085424zbMath0261.35035OpenAlexW2093859587MaRDI QIDQ2560550
Publication date: 1973
Published in: Ukrainian Mathematical Journal (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1007/bf01085424
Boundary value problems for higher-order elliptic equations (35J40) Linear symmetric and selfadjoint operators (unbounded) (47B25) General theory of partial differential operators (47F05) Boundary value problems for PDEs with pseudodifferential operators (35S15) Spectral operators, decomposable operators, well-bounded operators, etc. (47B40)
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