Библиографическая ссылка на патент
Pat. 9991805 United States, Int. Cl.22 H02M 3/335, H02M 1/00, H02M 1/14, H02M 3/158, H02M 3/337, H02M 3/338, H02M 7/48. On and off controlled resonant DC-DC power converter : Appl. N 15/110002 : Filed 26.02.2015 : Pub. 05.06.2018 : / Mickey P. Madsen, Milovan Kovacevic ; Assignee Danmarks Tekniskie Universitet ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9991805/en?oq=US9991805.html (дата обращения: ДД.ММ.ГГГГ).