1. Puissances reactives et fictives;Budeanu,1927
2. Active, reactive and apparent power in circuits with non-sinusoidal voltage and current;Fryze;Przegl. Elektrotech.,1931
3. Considerations on the reactive power in non-sinusoidal situations;Czarnecki;IEEE Trans. Instrum. Meas.,1985
4. Orthogonal decomposition of the currents in a 3-phase nonlinear asymmetrical circuit with a nonsinusoidal voltage source;Czarnecki;IEEE Trans. Instrum. Meas.,1988
5. Reactive and unbalanced currents compensation in three-phase asymmetrical circuits under non-sinusoidal conditions;Czarnecki;IEEE Trans. Instrum. Meas.,1989