TransliterationNejman L.R., Kalantarov P.L. Teoreticheskie osnovy jelektrotehniki. V treh chastyah. Chast II. Teoriya cepej peremennogo toka. In Russian
In EnglishNeumann a.P., Kalantarov P.a. Theoretical of electrical. in three parts. Part II. theory chains variable current. In Russian, n/a
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