%0 Journal Article %A A. V. Goncharsky %A S. Yu. Romanov %T On a problem of ultrasonic tomography %J Numerical methods and programming %D 2011 %P 317-320 %V 12 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMP_2011_12_3_a1/ %G ru %F VMP_2011_12_3_a1