Titehmarsh, E. (1970). Eigenfunction expansions associated with second order differential equations. Clarendon.
Chicago Stili AlıntıTitehmarsh, E.C. Eigenfunction Expansions Associated with Second Order Differential Equations. Oxford: Clarendon, 1970.
MLA AlıntıTitehmarsh, E.C. Eigenfunction Expansions Associated with Second Order Differential Equations. Clarendon, 1970.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..