E. Łazuka, J. Żurawiecki

Colouring of cycles in the de bruijn graphs

S. Fitzpatrick, R.J. Nowakowski

The strong isometric dimension of finite reflexive graphs

B. Zmazek, J. Žerovnik

Recognizing weighted directed cartesian graph bundles

J.L. Arocha, B. Llano

Mean value for the matching and dominating polynomial

J. Harant

Some news about the independence number of a graph

A. Niculitsa, V. Voloshin

About uniquely colorable mixed hypertrees

H.-M. Teichert

Classes of hypergraphs with sum number one

J.L. Arocha, P. Valencia

Long induced paths in 3-connected planar graphs

H. Galeana-Sánchez, V. Neumann-Lara

A class of tight circulant tournaments

G. Chartrand, F. Harary, P. Zhang

Geodetic sets in graphs

X. Jia

Some results concerning the ends of minimal cuts of simple graphs

P. Mihók

Unique factorization theorem

V.B. Le

Some conjectures on perfect graphs