[1]
A. Temirbayev, A. Imanbayeva, B. Karibayev, T. Namazbayev, S. Kapurnova, and I. Tleubayeva, “Investigation of planar fractal antennas”, Rec.Contr.Phys., vol. 58, no. 3, pp. 80–92, Sep. 2016.