On the spectra of non-selfadjoint differential operators and their adjoints in direct sum spaces.
El-Sayed Ibrahim, Sobhy
International Journal of Mathematics and Mathematical Sciences, Tome 2003 (2003), p. 557-574 / Harvested from The Electronic Library of Mathematics
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Publié le : 2003-01-01
DOI : https://doi.org/10.1155/S0161171203007841
EUDML-ID : urn:eudml:doc:50377 
@article{01883687,
     title = {On the spectra of non-selfadjoint differential operators and their adjoints in direct sum spaces.},
     journal = {International Journal of Mathematics and Mathematical Sciences},
     volume = {2003},
     year = {2003},
     pages = {557-574},
     doi = {10.1155/S0161171203007841},
     zbl = {1023.34076},
     language = {en},
     url = {http://dml.mathdoc.fr/item/01883687}
}

El-Sayed Ibrahim, Sobhy. On the spectra of non-selfadjoint differential operators and their adjoints in direct sum spaces.. International Journal of Mathematics and Mathematical Sciences, Tome 2003 (2003) pp. 557-574. doi : 10.1155/S0161171203007841. http://gdmltest.u-ga.fr/item/01883687/