%0 Journal Article %A O. A. Sinkevich %T The nonlinear theory of helical instability of an electric arc in %J Doklady Akademii Nauk %D 1985 %P 99-102 %V 280 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1985_280_1_a23/ %G ru %F DAN_1985_280_1_a23