- The sigma-class generated by balls contains all Borel sets
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The sigma-class generated by balls contains all Borel sets

  1. Olejček, Vladimír, 1946- The sigma-class generated by balls contains all Borel sets. In: Proceedings of the American Mathematical society. -- Vol. 123, Iss. 12 (1995), s.3665-3675.
Number of the records: 1  

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