DESY
Author in the following contributions
- Inclusive $\Upsilon (1S) \to \eta^{(\prime)} + X$ Decays with Account of $\alpha_s$ Running in Effective $\eta^{(\prime)} g^* g$-Vertex
- Tetraquark Interpretation and Production Mechanism of the Belle $Y_b (10750)$-Resonance
- Interpretation of LHCb Hidden-Charm Pentaquarks within the Compact Diquark Model
