%0 Journal Article %A P. V. Petrashen %A F. N. Chukhovskii %A I. L. Shul'pina %T Solution of the problem of X-ray projection topogram calculation %J Doklady Akademii Nauk %D 1978 %P 836-838 %V 240 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_240_4_a17/ %G ru %F DAN_1978_240_4_a17