De Jager, E. M. (1974). Spectral theory and asymptotics of differential equations: Proceedings. Elsevier.
シカゴスタイル引用形De Jager, E. M. Spectral Theory and Asymptotics of Differential Equations: Proceedings. New York: Elsevier, 1974.
MLA引用形式De Jager, E. M. Spectral Theory and Asymptotics of Differential Equations: Proceedings. Elsevier, 1974.
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