N. Amenta, Helly-type theorems and Generalized Linear Programming, Discrete & Computational Geometry, vol.4, issue.no. 1, pp.241-261, 1994.
DOI : 10.1007/BF02574379

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.2.4035

O. Cheong, X. Goaoc, and H. Na, Geometric permutations of disjoint unit spheres, Computational Geometry, vol.30, issue.3, 2005.
DOI : 10.1016/j.comgeo.2004.08.003

URL : https://hal.archives-ouvertes.fr/inria-00000637

H. Debrunner, Helly Type Theorems Derived From Basic Singular Homology, The American Mathematical Monthly, vol.77, issue.4, pp.375-380, 1970.
DOI : 10.2307/2316144

J. E. Goodman, R. Pollack, and R. Wenger, Geometric Transversal Theory, Discrete and Computational Geometry, pp.163-198, 1993.
DOI : 10.1007/978-3-642-58043-7_8

B. Grünbaum, On common transversals, Archiv der Mathematik, vol.2, issue.5, pp.465-469, 1958.
DOI : 10.1007/BF01898631

B. Grünbaum, Common Transversals for Families of Sets???, Journal of the London Mathematical Society, vol.1, issue.4, pp.408-416, 1960.
DOI : 10.1112/jlms/s1-35.4.408

A. Holmsen, M. Katchalski, and T. Lewis, A Hellytype theorem for line transversals to disjoint unit balls

A. Holmsen and J. Matou?ek, No Helly Theorem for Stabbing Translates by Lines in R 3, Discrete and Computational Geometry, vol.31, issue.3, pp.405-410, 2004.
DOI : 10.1007/s00454-003-0796-5

M. Katchalski, S. Suri, and Y. Zhou, A Constant Bound for Geometric Permutations of Disjoint Unit Balls, Discrete and Computational Geometry, vol.29, issue.2, pp.161-173, 2003.
DOI : 10.1007/s00454-002-2828-y

I. Macdonald, J. Pach, and T. Theobald, Common Tangents to Four Unit Balls in R 3, Discrete & Computational Geometry, vol.26, issue.1, pp.1-17, 2001.
DOI : 10.1007/s004540010090

J. Matou?ek, Using the Borsuk-Ulam Theorem, 2003.
DOI : 10.1007/978-3-540-76649-0

H. Tverberg, Proof of gr??nbaum's conjecture on common transversals for translates, Discrete & Computational Geometry, vol.54, issue.3, pp.191-203, 1989.
DOI : 10.1007/BF02187722

R. Wenger, Helly-Type Theorems and Geometric Transversals, Handbook of Discrete and Computational Geometry, pp.73-96, 2004.
DOI : 10.1201/9781420035315.ch4

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.38.1878