Zoltán Füredi, “Matchings and covers in hypergraphs”, Graphs and Combinatorics, 4, № 1, 1988, 115
Jürgen ECKHOFF, Handbook of Convex Geometry, 1993, 389
P. Frankl, “Helly-type Theorems for Varieties”, European Journal of Combinatorics, 10, № 3, 1989, 243
Xavier Goaoc, Pavel Paták, Zuzana Patáková, Martin Tancer, Uli Wagner, A Journey Through Discrete Mathematics, 2017, 407
Jesús A. De Loera, Sonja Petrović, Despina Stasi, “Random sampling in computational algebra: Helly numbers and violator spaces”, Journal of Symbolic Computation, 77, 2016, 1
G.R. Chelnokov, V.L. Dol'nikov, “On transversals of quasialgebraic families of sets”, Journal of Combinatorial Theory, Series A, 125, 2014, 194
Konrad Swanepoel, “Helly-type theorems for hollow axis-aligned boxes”, Proc. Amer. Math. Soc., 127, № 7, 1999, 2155