papers
Publications (6)
astro-ph1998
A method to determine the parameters of black holes in AGNs and galactic X-ray sources with periodic modulation of variability
O. Semerak, F. de Felice, V. Karas
astro-ph1999
Black holes in sources with a periodic component of variability
V. Karas, O. Semerak, F. de Felice
gr-qc2002
Towards gravitating discs around stationary black holes
O. Semerak
astro-ph.HE2015
Free motion around black holes with discs or rings: between integrability and chaos -- IV
V. Witzany, O. Semerak, P. Sukova
astro-ph1999
Pseudo-Newtonian models of a rotating black hole field
O. Semerak, V. Karas
astro-ph2004
Gravitating discs around black holes
V. Karas, J. -M. Hure, O. Semerak