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100   $a20000920d1998----km-y0itay50------ba
101 0 $aeng
200 1 $aStability of functional equations in several variables$fD. H. Hyers, G. Isac, T. M. Rassias
210   $aBoston$cBirkhauser$dc1998
215   $aiv, 313 p.$d25 cm
225 1 $aProgress in nonlinear differential equations and their applications$v34
610 0 $aEquazioni funzionali$aSoluzioni numeriche
610 0 $aFunzioni di pił variabili reali
676   $a515.8
700  1$aHyers,$bDonald H.$062000
702  1$aIsac,$bGeorge
702  1$aRassias,$bThemistocles M.
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996   $aStability of functional equations in several variables$9375022
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