Meeting of the Association for Symbolic Logic: Florence, Italy 1982.

E. Casari E. J. Fenstad G. Lolli G. Longo Annalisa Marcja Dirk van Dalen Meeting of the Association for Symbolic Logic: Florence, Italy 1982. 683-710 1984 49 J. Symb. Log. 2 db/journals/jsyml/jsyml49.html#CasariFLLMD84