@article{DCG_1994__12_1_131339,
     author = {E. Welzl and B. G\"artner},
     title = {Vapnik-Chervonenkis {Dimension} and {(Pseudo-)Hyperplane} {Arrangements.}},
     journal = {Discrete & computational geometry},
     pages = {399--432},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {1994},
     zbl = {0813.52013},
     url = {http://geodesic.mathdoc.fr/item/DCG_1994__12_1_131339/}
}