Schmüdgen, Konrad. "Perturbations of Selfadjoint Operators with Point Spectra by Restrictions and Selfadjoint Extensions.." Mathematische Annalen 256 (1981): 233-248. <http://eudml.org/doc/163508>.
@article{Schmüdgen1981, author = {Schmüdgen, Konrad}, journal = {Mathematische Annalen}, keywords = {diagonal operator; defect indices; selfadjoint extensions}, pages = {233-248}, title = {Perturbations of Selfadjoint Operators with Point Spectra by Restrictions and Selfadjoint Extensions.}, url = {http://eudml.org/doc/163508}, volume = {256}, year = {1981}, }
TY - JOUR AU - Schmüdgen, Konrad TI - Perturbations of Selfadjoint Operators with Point Spectra by Restrictions and Selfadjoint Extensions. JO - Mathematische Annalen PY - 1981 VL - 256 SP - 233 EP - 248 KW - diagonal operator; defect indices; selfadjoint extensions UR - http://eudml.org/doc/163508 ER -