Vol. 15 No. 2 (2011)

Articles

• Aggregation/disaggregation as a theoretical tool

  Ivo Marek

  3-14

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• On Morita equivalence of partially ordered semigroups with local units

  Lauri Tart

  15-33

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• On characterization of horizontal biharmonic curves in H^2 × R

  Talat Körpinar, Essin Turhan

  35-41

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• Domain estimators calibrated on information from another survey

  Carl-Erik Särndal, Imbi Traat

  43-60

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• Congruences on bicyclic extensions of a linearly ordered group

  Oleg Gutik, Dušan Pagon, Kateryna Pavlyk

  61-80

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