LEADER 00886nam0-22003131i-450- 001 990001110000403321 010 $a0-582-00466-7 035 $a000111000 035 $aFED01000111000 035 $a(Aleph)000111000FED01 035 $a000111000 100 $a20000920d1990----km-y0itay50------ba 101 0 $aeng 200 1 $aFurther Advances in Twistor Theory$fLionel J. Mason & L.P. Hughston (Editors) 210 $aEssex$cLongman$d1990 225 1 $aPitman research notes in mathematics series$v231 610 0 $aRelatività 610 0 $aGravità 676 $a530.11 700 1$aMason,$bLionel J.$053055 702 1$aHughston,$bLane Palmer 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001110000403321 952 $a23-213$b18522$fFI1 959 $aFI1 996 $aFurther Advances in Twistor Theory$9337902 997 $aUNINA DB $aING01