论文信息 - Eigenfunction expansions for nondensely defined operators generated by symmetric ordinary differential expressions - 字舞流文

Eigenfunction expansions for nondensely defined operators generated by symmetric ordinary differential expressions

[1] E. Coddington. Selfadjoint subspace extensions of nondensely defined symmetric operators , 1973 .

[2] Differential-boundary operators , 1971 .

[3] E. Coddington. Generalized Resolutions of the Identity for Symmetric Ordinary Differential Operators , 1958 .