LEADER 00814nam0-22002651i-450- 001 990001286120403321 035 $a000128612 035 $aFED01000128612 035 $a(Aleph)000128612FED01 035 $a000128612 100 $a20000920d1974----km-y0itay50------ba 101 0 $aeng 200 1 $aIntegral geometry and inverse problems for hyperbolic equations$fby Romanov 205 $a$a 210 $aBerlin [etc.]$cSpringer-Verlag$d1974 215 $aSpringer Tracts in Natural Philosophy Vol. 26 700 1$aRomanov,$bVladimir Gavrilovich$040743 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001286120403321 952 $a15-L-26$b26746$fMA1 959 $aMA1 996 $aIntegral geometry and inverse problems for hyperbolic equations$9384880 997 $aUNINA DB $aING01