@article{Sirenko_2002 author = {Yuriy Sirenko}, title = {Exact 'Absorbing' Conditions in Outer Initial Boundary-Value Problems of the Electrodynamics of Nonsinusoidal Waves. Part 2: Waveguide Units and Periodic Structures}, journal = {Telecommunications and Radio Engineering}, issn = {0040-2508}, year = {2002}, volume = {57}, number = {12}, }