@article{Beletskii_2017 author = {N. N. Beletskii and S. A. Borysenko}, title = {REFLECTIONLESS TRANSIT OF ELECTROMAGNETIC WAVES AT THE NORMAL INCIDENCE ON THE SYMMETRIC THREE-LAYERED STRUCTURE CONTAINING A NEGATIVE-PERMITTIVITY LAYER}, journal = {Telecommunications and Radio Engineering}, issn = {0040-2508}, year = {2017}, volume = {76}, number = {18}, pages = {1613--1621} }