Mathematical Modeling of Multi-Element Antenna Arrays with Chiral Metamaterials Substrates Using Singular Integral EquationsDmitriy Klyuev, Anatoly Neshcheret, Oleg Osipov and Aleksandr PotapovEPJ Web Conf., 224 (2019) 02002DOI: https://doi.org/10.1051/epjconf/201922402002