01032nam0-22003731i-450-9900013335504033213-540-58323-8000133355FED01000133355(Aleph)000133355FED0100013335520000920d1994----km-y0itay50------baengDifferences spaces and invariant formsRodney Nillsen.BerlinSpringer-Verlagc1994.xii, 186 p.24 cmLecture Notes in Mathematics1586 .Operatori integraliAnalisi armonicaAnalisi di fourierOperatori differenziali parziali515.73Nillsen,Rodney60688ITUNINARICAUNIMARCBK990001333550403321C-20-(158613523MA1MA143-0242BXX43A15Differences spaces and invariant forms375978UNINAING01