%0 Journal Article %A M. L. Gerver %A E. A. Kudryavtseva %T On the boundary set of solutions in travel time inversion %J Doklady Akademii Nauk %D 1996 %P 672-674 %V 346 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_346_5_a15/ %G ru %F DAN_1996_346_5_a15