%0 Journal Article %A I. G. Stoyanova %T On the electron microscope study of objects in a gas medium %J Doklady Akademii Nauk %D 1958 %P 325-327 %V 118 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1958_118_2_a30/ %G ru %F DAN_1958_118_2_a30