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

Аннотация

Page 607, the third line of the Abstract. The words “in the family” should be omitted.

Page 609, right column. Several substantial errors have been made in the translation of the main Theorem 4 from Russian into English, so this theorem is given in full.