000 00300nam a2200097Ia 4500
008 240404s9999 xx 000 0 und d
100 _aRomanov, V. G.
245 0 _aIntegral geometry and inverse problems for hyperbolic equations
_cV. G. Romanov
260 _aBerlin
_bSpringer
_c1974
942 _aIMAR
_cCART
999 _c33398
_d33398