TY - JOUR AU - A. A. Panin AU - G. I. Shlyapugin TI - Local Solvability and Global Unsolvability of a Model of Ion-Sound Waves in a Plasma JO - Matematičeskie zametki PY - 2020 SP - 426 EP - 441 VL - 107 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2020_107_3_a8/ LA - ru ID - MZM_2020_107_3_a8 ER -