%0 Journal Article %A G. Artykov %A M. B. Orazov %T Ion-acoustic waves in a nonmagnetized plasma %J Differencialʹnye uravneniâ %D 1991 %P 1814-1817 %V 27 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_10_a20/ %G ru %F DE_1991_27_10_a20