ON THE INVERSION PROBLEM FOR A DISCONTINUOUS TRAVEL-TIME CURVE

A complete solution of the inversion problem has been aihieved for a discontinuous travel-time curve. The solutions show that, except in the LVL (if exists), the velocity structure and the thickness of the LVL can be uniquely determined. Finally, we point out that the Gerver-Markushevichs formula (1966) is incorrect.