APA citáció

Titchmarsh Edward Charles. (1950). On the discreteness of the spectrum of a differential equation.

Chicago Style (17th ed.) Citation

Titchmarsh Edward Charles. On the Discreteness of the Spectrum of a Differential Equation. 1950.

MLA idézés

Titchmarsh Edward Charles. On the Discreteness of the Spectrum of a Differential Equation. 1950.

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