%0 Journal Article %A P. R. Herwig %A M.J.H. Heule %A P. M. van Lambalgen %A H. van Maaren %T A new method to construct lower bounds for van der Waerden numbers %J The electronic journal of combinatorics %D 2007 %V 14 %U http://geodesic.mathdoc.fr/articles/10.37236/925/ %R 10.37236/925 %F 10_37236_925