%0 Journal Article %A I. V. Nikol'skaya %A L. F. Vereshchagin %A Yu. L. Orlov %A E. M. Feklichev %A Ya. A. Kalashnikov %T A comparative study of natural and synthesized ballases %J Doklady Akademii Nauk %D 1968 %P 77-79 %V 182 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_182_1_a19/ %G ru %F DAN_1968_182_1_a19