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3 papers
On perturbation of a polyharmonic operator by delta-like potentials
A. Fraguela Collar
Abstract:
Some results are obtained on perturbation of a polyharmonic operator by potentials having small support.
Bibliography: 9 titles.
UDC:
517.95
MSC: 31B30,
35B20 Received: 19.04.1979 and 28.08.1985
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