@book{ BA12529662, author = "Latin-American Symposium on Mathematical Logic and Arruda, Ayda I. and Costa, Newton C. A. da and Chuaqui, R.", title = "Non-classical logics, model theory, and computability : proceedings of the Third Latin-American Symposium on Mathematical Logic, Campinas, Brazil, July 11-17, 1976", publisher = "North-Holland Pub. Co.,sale distributors for the U.S.A. and Canada, Elsevier/North-Holland", year = "1977", series = "Studies in logic and the foundations of mathematics", number = "v. 89", URL = "https://ci.nii.ac.jp/ncid/BA12529662" }