%0 Journal Article %A A. A. Panin %A G. I. Shlyapugin %T Local Solvability and Global Unsolvability of a Model of Ion-Sound Waves in a Plasma %J Matematičeskie zametki %D 2020 %P 426-441 %V 107 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2020_107_3_a8/ %G ru %F MZM_2020_107_3_a8