%0 Journal Article %A O. P. Kolomiytsev %A V. V. Migulin %A V. A. Surotkin %A B. M. Reddy %T Lifetime of artificial hole in $\mathrm{F}$ region of equatorial ionosphere %J Doklady Akademii Nauk %D 1991 %P 1353-1356 %V 319 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_319_6_a15/ %G ru %F DAN_1991_319_6_a15