%0 Journal Article %A M. I. Belishev %A A. L. Pestov %T Characterization of inverse data for one-dimensional two-velocity dynamical system %J Algebra i analiz %D 2014 %P 89-130 %V 26 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2014_26_3_a1/ %G ru %F AA_2014_26_3_a1