%0 Journal Article %A R. M. Galperina %T On the physical foundations and reconnaissance potentialities of %J Doklady Akademii Nauk %D 1968 %P 334-336 %V 182 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_182_2_a26/ %G ru %F DAN_1968_182_2_a26