%0 Journal Article
%A Ursini, Aldo
%T A sequence of theories for arithmetic whose union is complete
%J Rendiconti del Seminario Matematico della Università di Padova
%D 1977
%P 75-92
%V 57
%I Seminario Matematico of the University of Padua
%U http://www.numdam.org/item/RSMUP_1977__57__75_0/
%G en
%F RSMUP_1977__57__75_0