APA引文

Weidmann, J. (1987). Spectral theory of Ordinary differential operators. Springer-verlag.

Chicago Edition Citation

Weidmann, Joachim. Spectral Theory of Ordinary Differential Operators. Springer-verlag, 1987.

MLA引文

Weidmann, Joachim. Spectral Theory of Ordinary Differential Operators. Springer-verlag, 1987.

警告：这些引文格式不一定是100％准确.