%0 Journal Article %A V. V. Vladimirov %T Relation between Bohm's criterion and the generation of ``ambipolar'' sound in the plasma of the positive column of a gas discharge %J Doklady Akademii Nauk %D 1967 %P 560-563 %V 174 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1967_174_3_a14/ %G ru %F DAN_1967_174_3_a14