Similarities in Irrationality Proofs for π, ln2, ζ(2), and ζ (3). - Dirk Huylebrouck (Am. Math. Mon., 2001)

In Memoriam: Slavik Jablan 1952-2015. - Donald Crowe; György Darvas; Dirk Huylebrouck; Jay Kappraff; Louis H. Kauffman; Sofia Lambropoulou; Józef H. Przytycki; Ljiljana Radovic; Radmila Sazdanovic; Vera W. de Spinadel; Ana Zekovic (Symmetry, 2015)

Generalizing Wallis' Formula. - Dirk Huylebrouck (Am. Math. Mon., 2015)

A New Regular (Compound) Polyhedron (of Infinite Kepler-Poinsot Type). - Dirk Huylebrouck (Am. Math. Mon., 2017)