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008 970308s1972    us            ||| | eng  
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040   $aDip.to Fisica$bita
084   $a510'.8
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100 1 $aGiacaglia, G.$0463235
245 10$aPerturbation methods in non-linear systems /$cG.E.O. Giacaglia
260   $aNew York ; Berlin :$bSpringer,$c1972
300   $aviii, 369 p. ;$c26 cm.
650  4$aDifferential equations
650  4$aPerturbation (Mathematics)
907   $a.b10179525$b21-09-06$c27-06-02
912   $a991001142039707536
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996   $aPerturbation methods in non-linear systems$9189059
997   $aUNISALENTO
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