EXNER, P., LIPOVSKÝ, J. Spectral Transition Model with the General Contact Interaction. In: Operator Theory: Advances and Applications. From Complex Analysis to Operator Theory: A Panorama In Memory of Sergey Naboko. 291. Cham: Birkhäuser, 2023, s. 523-547. ISBN 978-3-031-31138-3. Available: https://doi.org/10.1007/978-3-031-31139-0_19