Media type: E-Article Title: Sum of observables on MV-effect algebras Contributor: Dvurečenskij, Anatolij imprint: Springer Science and Business Media LLC, 2018 Published in: Soft Computing Language: English DOI: 10.1007/s00500-017-2741-1 ISSN: 1432-7643; 1433-7479 Keywords: Geometry and Topology ; Theoretical Computer Science ; Software Origination: Footnote: