A note on normal operators
B. S. Yadav, P. B. Ramanujan (1969)
Matematički Vesnik
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B. S. Yadav, P. B. Ramanujan (1969)
Matematički Vesnik
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Jiří Durdil (1967)
Commentationes Mathematicae Universitatis Carolinae
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I. Istratescu (1969)
Matematički Vesnik
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I. Istratescu, Gh. Constantin (1969)
Matematički Vesnik
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I. E. Sharkawi (1977)
Matematički Vesnik
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Ingo Witt (2003)
Banach Center Publications
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For a class of degenerate pseudodifferential operators, local parametrices are constructed. This is done in the framework of a pseudodifferential calculus upon adding conditions of trace and potential type, respectively, along the boundary on which the operators degenerate.
Căbulea, Lucia A., Todea, Mihaela (2002)
Acta Universitatis Apulensis. Mathematics - Informatics
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Căbulea, Lucia A., Todea, Mihaela (2002)
Acta Universitatis Apulensis. Mathematics - Informatics
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