СТАРКОВ, М. Quality radiating open spherical resonators. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, [S. l.], n. 40, p. 87-91, 2013. DOI: 10.20535/RADAP.2010.40.87-91. Disponível em: https://radap.kpi.ua/radiotechnique/article/view/618. Acesso em: 23 jul. 2024.