Titehmarsh, E. (1970). Eigenfunction expansions associated with second order differential equations. Clarendon.
Chicago ZitierstilTitehmarsh, E.C. Eigenfunction Expansions Associated with Second Order Differential Equations. Oxford: Clarendon, 1970.
MLA ZitierstilTitehmarsh, E.C. Eigenfunction Expansions Associated with Second Order Differential Equations. Clarendon, 1970.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.