%0 Journal Article %A I. V. Bogdanov %T Classical inversion algorithms for spherically symmetric gravitational fields %J Teoretičeskaâ i matematičeskaâ fizika %D 1983 %P 448-459 %V 56 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1983_56_3_a11/ %G ru %F TMF_1983_56_3_a11