@Article{Kuzhel2017,
author = "Kuzhel, S. and Sudilovskaya, V.",
title = "Towards theory of C-symmetries",
journal = "Opuscula Math.",
year = "2017",
volume = "37",
number = "1",
pages = "65--80",
doi = "http://dx.doi.org/10.7494/OpMath.2017.37.1.65",
url = "http://dx.doi.org/10.7494/OpMath.2017.37.1.65",
abstract = "The concept of \(\mathcal{C}\)-symmetry originally appeared in \(\mathcal{PT}\)-symmetric quantum mechanics is studied within the Krein spaces framework.",
keywords = "Krein space, \(J\)-self-adjoint operator, \(J\)-symmetric operator, Friedrichs extension, \(\mathcal{C}\)-symmetry",
issn = "1232-9274"
}