LEADER 00769nam0-22002651i-450- 001 990001288170403321 035 $a000128817 035 $aFED01000128817 035 $a(Aleph)000128817FED01 035 $a000128817 100 $a20000920d1987----km-y0itay50------ba 101 0 $aeng 200 1 $a<>homotopy index and partial differential equations$fby RYBAKOWSKI, Krzysztof 205 $a$a 210 $aBerlin [etc.]$cSpringer-Verlag$d1987 215 $aUniversitext 700 1$aRybakowski,$bKrzysztof P.$058704 801 0$aIT$bUNINA$gRICA$2UNIMARC 901 $aBK 912 $a990001288170403321 952 $aC-6-(24$b5008$fMA1 959 $aMA1 996 $aHomotopy index and partial differential equations$9384746 997 $aUNINA DB $aING01