%0 Journal Article %A D. S. Lebedev %A L. B. Levitin %T The maximum amount of information transmissible by an electromagnetic field %J Doklady Akademii Nauk %D 1963 %P 1299-1302 %V 149 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_149_6_a15/ %G ru %F DAN_1963_149_6_a15