A Limit Cycle of a Resonant Converter. - Jan Melin; Anders Hultgren (ADHS, 2003)

Asymmetric Limit Cycles in an Industrially Applied Controlled Resonant Converter. - Anders Hultgren; Jan Melin; Per Ranstad (ADHS, 2009)

Limit cycle control of an industrially applied resonant converter modelled as a hybrid system. - Anders Hultgren; Jan Melin; Per Ranstad (ISCAS, 2011)