%0 Journal Article %A Stijn Cambie %A António Girão %A Ross J. Kang %T VC dimension and a union theorem for set systems %J The electronic journal of combinatorics %D 2019 %V 26 %N 3 %U http://geodesic.mathdoc.fr/articles/10.37236/8288/ %R 10.37236/8288 %F 10_37236_8288