Media type: E-Article Title: Characterizing Optimal Multiport Matching Transformers Contributor: Allen, Jeffery C.; Rockway, John W. imprint: Springer Science and Business Media LLC, 2012 Published in: Circuits, Systems, and Signal Processing Language: English DOI: 10.1007/s00034-011-9387-5 ISSN: 0278-081X; 1531-5878 Keywords: Applied Mathematics ; Signal Processing Origination: Footnote: