Some old and new problems in various branches of combinatorics, Discrete Mathematics, vol.165, issue.166, pp.227-231, 1997. ,
DOI : 10.1016/S0012-365X(96)00173-2
A result on the Erd?s-Gyárfás conjecture in planar graphs, Congressus Numerantium, vol.153, pp.129-139, 2001. ,
Erd?s-Gyárfás Conjecture for Cubic Planar Graphs, Electronic Journal of Combinatorics, vol.20, issue.2, p.7, 2013. ,
Extremal graphs for some problems on cycles in graphs, Congressus Numerantium, vol.171, pp.179-192, 2004. ,
On the Erd?s-Gyárfás Conjecture in Claw-Free Graphs, Discussiones Mathematicae Graph Theory, vol.34, issue.3, pp.635-640, 2014. ,
Results on the Erd?s-Gyárfás conjecture in K 1,m -free graphs, Congressus Numerantium, vol.134, pp.61-65, 1998. ,
Erd?s-Gyárfás conjecture on 2-power cycle lengths. Open problems ? Graph theory and Combinatorics ,