On planar mixed hypergraphs. Dvořák, Zdeněk; Král, Daniel — 2001 The Electronic Journal of Combinatorics [electronic only]
On a Rado type problem for homogeneous second order linear recurrences. Ardal, Hayri; Dvořák, Zdeněk; Jungić, Veselin; Kaiser, Tomáš — 2010 The Electronic Journal of Combinatorics [electronic only]
Pattern hypergraphs. Dvořák, Zdeněk; Kára, Jan; Král', Daniel; Pangrác, Ondřej — 2010 The Electronic Journal of Combinatorics [electronic only]