Hajrapetyan, D. et al. 2017. ELECTRON GAS IN ASYMMETRIC BICONVEX THIN QUANTUM LENS: REALIZATION OF KOHN’S THEOREM. Proceedings of the YSU A: Physical and Mathematical Sciences. 51, 1 (242) (Mar. 2017), 109–112. DOI:https://doi.org/10.46991/PYSU:A/2017.51.1.109.