TY JOUR TI Synthesis of compact waveguide filters with an elliptic characteristic KW Microwave filter KW rectangular waveguide KW thin metal diaphragm KW resonant diaphragms JO Infocommunications and Radio Technologies AU Krutiev, S.V. AU Zemlyakov, V.V. AU Kleshenkov, A.. PY 2019 IS 2 PB Federal State Educational Institution of Higher Education Sevastopol State University