A parametrization of equilateral triangles having integer coordinates. Ionascu, Eugen J. — 2007 Journal of Integer Sequences [electronic only]
A characterization of all equilateral triangles in ℤ 3 . Chandler, Ray; Ionascu, Eugen J. — 2008 Integers
Introduction to the “prisoners and guards” game. Howard, Timothy; Ionascu, Eugen J.; Woolbright, David — 2009 Journal of Integer Sequences [electronic only]
Wandering Sets for a Class of Borel Isomorphisms of ...0,1). Edward A. Azoff; Eugen J. Ionascu — 2000 The journal of Fourier analysis and applications [[Elektronische Ressource]]