%0 Journal Article %A K. I. Gringauz %T Rocket measurements of electron concentration in the ionosphere by means of an ultrashort wavelength dispersion interferometer %J Doklady Akademii Nauk %D 1958 %P 1234-1237 %V 120 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_120_6_a18/ %G ru %F DAN_1958_120_6_a18