Mixed p-z approach for time-domain analysis of voltage source inverters with periodic pulsewidth modulation. - Jirí Klima (IEEE Trans. Circuits Syst. II Express Briefs, 2004)

An Analytical Modelling of Three-Phase Four-Switch PWM Rectifier Under Unbalanced Supply Conditions. - Jirí Klima; Jirí Skramlík; Viktor Valouch (IEEE Trans. Circuits Syst. II Express Briefs, 2007)