Oleś, A. M. Department Quantum Many-Body Theory (Walter Metzner), Max Planck Institute for Solid State Research, Max Planck Society;
Gotfryd, D., & Oleś, A. M. (2015). Quantum Phase Transitions in the Kitaev-Heisenberg Model on a Single Hexagon. Acta Physica Polonica A, 127(2), 318-320.