LEADER 00788nam0-22002651i-450- 001 990001270230403321 035 $a000127023 035 $aFED01000127023 035 $a(Aleph)000127023FED01 035 $a000127023 100 $a20000920d1972----km-y0itay50------ba 101 0 $aeng 200 1 $aTechniques of Differential Topology in Relativity$fby Penrose Roger 205 $a$a 210 $aPhiladelphia$cSIAM$d1972 215 $aC.B.M.S. Regional Conference Series in Appl ied Mathematics 700 1$aPenrose,$bRoger$f<1931- >$039346 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001270230403321 952 $a30-B-3$b19191$fMA1 959 $aMA1 996 $aTechniques of Differential Topology in Relativity$9338375 997 $aUNINA DB $aING01