Rantala, V. (1973). On the theory of definability in first-order logic. Institute of Philosophy, University of Helsinki.
Dyfyniad Arddull ChicagoRantala, Veikko. On the Theory of Definability in First-order Logic. Helsinki: Institute of Philosophy, University of Helsinki, 1973.
Dyfyniad MLARantala, Veikko. On the Theory of Definability in First-order Logic. Institute of Philosophy, University of Helsinki, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.