Periodic points of some algebraic maps. Romanovski, Valery G. — 2007 ETNA. Electronic Transactions on Numerical Analysis [electronic only]
The difference equation related to the problem of the hydrogen atom in a strong magnetic field. Robnik, Marko; Romanovski, Valery G. — 2007 ETNA. Electronic Transactions on Numerical Analysis [electronic only]
Linearizability of a polynomial system Diana Doličanin; Valery G. Romanovski — 2005 Kragujevac Journal of Mathematics