Rose window graphs underlying rotary maps. - István Kovács; Klavdija Kutnar; János Ruff (Discret. Math., 2010)

Integral automorphisms of affine planes over finite fields. - István Kovács; János Ruff (Finite Fields Their Appl., 2014)

Integral automorphisms of affine spaces over finite fields. - István Kovács; Klavdija Kutnar; János Ruff; Tamás Szonyi (Des. Codes Cryptogr., 2017)

On Certain Edge-Transitive Bicirculants of Twice Odd Order. - István Kovács; János Ruff (Electron. J. Comb., 2022)