%0 Journal Article %A V. D. Pis'mennyi %A A. T. Rakhimov %T On contraction of positive column with electronegative impurities %J Doklady Akademii Nauk %D 1971 %P 68-71 %V 200 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_200_1_a17/ %G ru %F DAN_1971_200_1_a17