00694nam0-22002531i-450-990001131390403321000113139FED01000113139(Aleph)000113139FED0100011313920000920d1971----km-y0itay50------baengCyclic difference setsby Baumert.Berlin [etc.]Springer-Verlag1971Lecture Notes in Mathematics182Baumert,Leonard D.54337ITUNINARICAUNIMARCBK990001131390403321C-20-(18211302MA1MA1Cyclic difference sets262873UNINAING01