REFERENCES
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- HAYT (W H) Jr. & KEMMERLY (J E). Engineering Circuit Analysis, McGraw-Hill, New York, 1978, p 747–748.
- HAYT (W H) Jr. & KEMMERLY (J E). Engineering Circuit Analysis, McGraw-Hill, New York, 1962, p 283.
- BEGED-DOV (A G). Another Look at Euler's Relation, IEEE Trans. on Education, E-9, 1966, P 44.