Approximation of eigenvalues below the essential spectra of singular second-order symmetric linear difference equations
Crossref DOI link: https://doi.org/10.1007/s11425-016-0223-9
Published Online: 2017-02-23
Published Print: 2017-09
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Liu, Yan
Shi, YuMing
License valid from 2017-02-23