TY - BOOK AU - Romanov,V.G. TI - Integral geometry and inverse problems for hyperbolic equations T2 - Springer tracts in natural philosophy/edited by S.S. Antman, R.Aris, SN - 3-540-06429-X U1 - B335 L4 PY - 1974/// CY - Berlin PB - Springer-Verlag N1 - Includes Bibliography and Index ER -