@article{00772777, title = {On the tree-width of a graph.}, journal = {Acta Mathematica Universitatis Comenianae. New Series}, volume = {61}, year = {1992}, pages = {225-236}, zbl = {0821.05014}, language = {en}, url = {http://dml.mathdoc.fr/item/00772777} }
Chlebíková, J. On the tree-width of a graph.. Acta Mathematica Universitatis Comenianae. New Series, Tome 61 (1992) pp. 225-236. http://gdmltest.u-ga.fr/item/00772777/