Ibrahim, S. E. On the spectra of non-selfadjoint differential operators and their adjoints in direct sum spaces. Wiley.
Chicago Style (17th ed.) CitationIbrahim, Sobhy El-Sayed. On the Spectra of Non-selfadjoint Differential Operators and Their Adjoints in Direct Sum Spaces. Wiley.
MLA (9th ed.) CitationIbrahim, Sobhy El-Sayed. On the Spectra of Non-selfadjoint Differential Operators and Their Adjoints in Direct Sum Spaces. Wiley.
Warning: These citations may not always be 100% accurate.