@article {Valtchev2019,
	title = {Energy saving system of cascade variable frequency induction electric drive},
	journal = {E3S Web of Conferences},
	volume = {124},
	year = {2019},
	note = {n/a},
	abstract = {n/a},
	author = {Meshcheryakov, V.N. and Lastochkin, D.V. and Shakurova, Z.M. and S Valtchev}
}
