An Apéry-like difference equation for Catalan's constant. Zudilin, W. — 2003 The Electronic Journal of Combinatorics [electronic only]
Approximations to q -logarithms and q -dilogarithms, with applications to q -zeta values. Zudilin, W. — 2005 Journal of Mathematical Sciences (New York)
On a combinatorial problem of Asmus Schmidt. Zudilin, W. — 2004 The Electronic Journal of Combinatorics [electronic only]