• On Definability of Functions of Several Variables 

      Couceiro, Miguel
      Acta Electronica Universitatis Tamperensis : 546 (Tampere University Press, 2006)
      Väitöskirja
      In this research work, we focused on functions of several variables over a set $A$ and valued in a possibly different set $B$. We studied function properties which can be expressed by means of functional equations and by ...