Light edges in 1-planar graphs with prescribed minimum degree. - Dávid Hudák; Peter Sugerek (Discuss. Math. Graph Theory, 2012)

A note on face coloring entire weightings of plane graphs. - Stanislav Jendrol'; Peter Sugerek (Discuss. Math. Graph Theory, 2014)

l-facial edge colorings of graphs. - Borut Luzar; Martina Mockovciaková; Roman Soták; Riste Skrekovski; Peter Sugerek (Discret. Appl. Math., 2015)

M2-edge colorings of cacti and graph joins. - Július Czap; Jaroslav Ivanco; Peter Sugerek (Discuss. Math. Graph Theory, 2016)

Facial packing vertex-coloring of subdivided plane graphs. - Július Czap; Stanislav Jendrol'; Peter Sugerek; Juraj Valiska (Discret. Appl. Math., 2019)

Facial [r.s, t]-colorings of plane graphs. - Július Czap; Stanislav Jendrol'; Peter Sugerek; Juraj Valiska (Discuss. Math. Graph Theory, 2019)

Odd facial colorings of acyclic plane graphs. - Július Czap; Peter Sugerek (Electron. J. Graph Theory Appl., 2021)

On 𝒫 vertex-connections of graphs. - Július Czap; Stanislav Jendrol'; Peter Sugerek (Discuss. Math. Graph Theory, 2025)