Updates are available Erratum dated 2018-05-19

Eigenvalue dynamics of a PT-symmetric Sturm–Liouville operator and criteria for similarity to a self-adjoint or a normal operator

Crossref DOI link: https://doi.org/10.1134/S1064562417060230

Published Online: 2018-01-05

Published Print: 2017-11

Update policy: https://doi.org/10.1007/springer_crossmark_policy