Castillo, M. T. (1999). On the existence of the essential spectrum for a class of differential expressions having normal maximal extensions.
Chicagoスタイル(17版)引用形式Castillo, Maritina T. On the Existence of the Essential Spectrum for a Class of Differential Expressions Having Normal Maximal Extensions. 1999.
MLA(9版)引用形式Castillo, Maritina T. On the Existence of the Essential Spectrum for a Class of Differential Expressions Having Normal Maximal Extensions. 1999.
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