%0 Journal Article %A Péter Csikvári %T Applications of the Kelmans transformation: extremality of the threshold graphs %J The electronic journal of combinatorics %D 2011 %V 18 %N 1 %U http://geodesic.mathdoc.fr/articles/10.37236/669/ %R 10.37236/669 %F 10_37236_669