Everitt, W. N. (1975). Spectral theory and differential equations.
シカゴスタイル引用形Everitt, W N. Spectral Theory and Differential Equations. Springer-Verlag, Berlin, 1975.
MLA引用形式Everitt, W N. Spectral Theory and Differential Equations. 1975.
警告: この引用は必ずしも正確ではありません.