01136nam0-22003731i-450-9900014350704033210-8176-4024-X000143507FED01000143507(Aleph)000143507FED0100014350720000920d1998----km-y0itay50------baengStability of functional equations in several variablesD. H. Hyers, G. Isac, T. M. RassiasBostonBirkhauserc1998iv, 313 p.25 cmProgress in nonlinear differential equations and their applications34Equazioni funzionaliSoluzioni numericheFunzioni di più variabili reali515.8Hyers,Donald H.62000Isac,GeorgeRassias,Themistocles M.ITUNINARICAUNIMARCBK990001435070403321C-17-(3416281MA1MA139-0139B0539B72Stability of functional equations in several variables375022UNINAING01