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100   $a20001205d1975----km-y0itay50------ba
101 0 $aeng
200 1 $aApplications of algebraic topology$eGraphs and networks the Picard-Lefschetz theory and Feynman integrals$fby Solomon Lefschetz
210   $aNew York [etc.]$cSpringer-Verlag$d1975.
225 1 $aApplied mathematical sciences$v16
300   $aWith 52 Illustrations.
700  1$aLefschetz,$bSolomon$012523
801  0$aIT$bUNINA$gRICA$2UNIMARC
901   $aBK
912   $a990001231420403321
952   $aC-33-(16$b16684$fMA1
952   $a08 LL 28$b3249 C.E.$fDINED
959   $aMA1
959   $aDINED
996   $aApplications of algebraic topology$9382114
997   $aUNINA