For citations:
Polenga S.V., Ryazantsev R.O., Poligina A.D., Krylov R.M., Litinskaya E.A., Salomatov Yu.P. A Ku-Band Foldable Reflectarray Based on a Maltese-Cross Microstrip Element. Journal of the Russian Universities. Radioelectronics. 2021;24(4):37-47. (In Russ.) https://doi.org/10.32603/1993-8985-2021-24-4-37-47