Lipovský, J. and Machácek, T. 2023. The Role of the Branch Cut of the Logarithm in the Definition of the Spectral Determinant for Non-Self-Adjoint Operators. Acta Physica Polonica A ISSN 1898-794X . 144, 6 (Dec. 2023), 462. DOI:https://doi.org/10.12693/APhysPolA.144.462.