Zheng, Yan; Sam Ge, Shuzhi; Wang, Yaonan: 'Non-weighted <script type="math/mml"> <mml:math> <mml:msub> <mml:mi>l</mml:mi> <mml:mn>1</mml:mn> </mml:msub> </mml:math> </script> filtering for positive switched delay systems', IET Control Theory &amp; Applications, 2018, 12, (8), p. 1046-1054, DOI: 10.1049/iet-cta.2017.1121
IET Digital Library, https://digital-library.theiet.org/;jsessionid=1utgvk5m1aqbp.x-iet-live-01content/journals/10.1049/iet-cta.2017.1121