TY - JOUR AU - A. G. Hantadze TI - On the distribution of electron-ion gas in the $F$-region of ionosphere JO - Doklady Akademii Nauk PY - 1975 SP - 839 EP - 841 VL - 221 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_221_4_a20/ LA - ru ID - DAN_1975_221_4_a20 ER -