On lattice polytopes having interior lattice points. J.M. Wills; J. Zaks; M.A. Perles — 1982 Elemente der Mathematik
On the length of some curves in the unit sphere L. M. Kelly; J. Zaks — 1973 Annales Polonici Mathematici
Separating Convex Sets in the Plane. J. Urrutia; J. Czyzowicz; E. Rivera-Campo; J. Zaks — 1992 Discrete & computational geometry