Titchmarsh, E. C. (1962). Eigenfunction expansions associated with second-order differential equations (2d ed.). Clarendon Press.
Chicagoスタイル(17版)引用形式Titchmarsh, E. C. Eigenfunction Expansions Associated with Second-order Differential Equations. 2d ed. Oxford: Clarendon Press, 1962.
MLA(8版)引用形式Titchmarsh, E. C. Eigenfunction Expansions Associated with Second-order Differential Equations. 2d ed. Clarendon Press, 1962.
警告: この引用は必ずしも正確ではありません.