%0 Journal Article %@ 0001-6969 %A Connes Alain %D 1977 %F acta:14612 %J Acta scientiarum mathematicarum %K Matematika %N 1-2 %P 39-66 %T Periodic automorphisms of the hyperfinite factor of type ∐1 %U http://acta.bibl.u-szeged.hu/14612/ %V 39 %Z Bibliogr.: 66. p.