Sargsyan, A. N. CIRCULAR POLARIZATION IN A $2\mathrm{D}$ PERIODIC ARTIFICIAL ANISOTROPIC DIELECTRIC MEDIUM. Proc. YSU A: Phys. Math. Sci. 2023, 57 (2 (261), 62-68. https://doi.org/10.46991/PYSU:A/2023.57.2.062.