APA (7. basım) Alıntı

Castillo, M. T. (1999). On the existence of the essential spectrum for a class of differential expressions. Matimya's Matematika.

Chicago Style (17. basım) Atıf

Castillo, Maritina T. "On the Existence of the Essential Spectrum for a Class of Differential Expressions." Matimya's Matematika 1999.

MLA (9th ed.) Atıf

Castillo, Maritina T. "On the Existence of the Essential Spectrum for a Class of Differential Expressions." Matimya's Matematika, 1999.