%0 Journal Article %A A. G. Hantadze %A R. G. Gachechiladze %A B. Ya. Chekhoshvili %T On the problem of formation of the ionosphere stationary $F$-region %J Doklady Akademii Nauk %D 1975 %P 332-334 %V 224 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_224_2_a17/ %G ru %F DAN_1975_224_2_a17