Perturbation series for the scattering of electromagnetic waves by parallel cylinders A. S. Bereza, L. L. Frumin, A. V. Nemykin, S. V. Perminov and D. A. Shapiro EPL, 127 2 (2019) 20002 Published online: 14 August 2019 DOI: 10.1209/0295-5075/127/20002