4601 - Eigenfunction expansions associated with second-order differential equations |
4602 - Eigenfunction expansions associated with second-order differential equations. Part II |
4603 - Eigenvalues of Laplacians and other geometric operators |
4604 - Eigenwertprobleme und ihre numerische Behandlung |
4606 - Eight lectures on mathematical analysis |
4607 - Eight papers on differential equations and functional analysis |
4608 - Eighteen papers on analysis and quantum mechanics |
4609 - Eighteen papers on logic and theory of functions |
4610 - Eindeutige analytische Funktionen |



