%0 Journal Article %A Foldes, Stephane %A Hammer, Peter L. %T Split Graphs Having Dilworth Number Two %J Canadian journal of mathematics %D 1977 %P 666-672 %V 29 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-069-1/ %R 10.4153/CJM-1977-069-1 %F 10_4153_CJM_1977_069_1