Heuristic search algorithms on directed trees Petr Lisoněk — 1988 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
On related transducers Petr Lisoněk — 1990 Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
Combinatorial aspects of multiple zeta values. Borwein, Jonathan M.; Bradley, David M.; Broadhurst, David J.; Lisoněk, Petr — 1998 The Electronic Journal of Combinatorics [electronic only]