"11320" . "Groupoids of fractions III."@en . "1"^^ . "71;82" . "845366" . "Groupoids of fractions III." . "Groupoids of fractions III." . "Groupoids of fractions III."@en . "16" . "[CD020F888B71]" . . "RIV:J13/95:113201136" . "1995" . . . . "Rivista di Mathematica Pura ed Applicata" . "2"^^ . "0"^^ . "RIV:J13/95:113201136!RIV/1998/MSM/MSM8MD0" . "Kepka, Tom\u00E1\u0161" . . . . . "1121-7111" . .