Singular Integral Formulations for Electrodynamic Analysis of Metamaterial-Inspired Antenna Array - Alibakhshikenari, Mohammad; Virdee, B.s.; Aïssa, S.; See, C.h.; Althuwayb, A.a.; Abd-alhameed, R.a.; Huynen, I.; Falcone, F.; Limiti, E. (IEEE Antennas and Wireless Propagation Letters, 2021)