%0 Journal Article %A P. E. Krasnushkin %A N. L. Kolesnikov %T Investigation of the lower ionosphere by means of long radiowaves and low-frequency radiosondes placed on a rocket. %J Doklady Akademii Nauk %D 1962 %P 596-599 %V 146 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_146_3_a21/ %G ru %F DAN_1962_146_3_a21