Bastos, G. G.; Fuchs, L.; Viswanathan, T. M. On chains of purely transcendental field extensions. (English) Zbl 0728.12006 Rend. Semin. Mat. Univ. Padova 83, 171-175 (1990). Reviewer: M.van der Put (Groningen) MSC: 12F20 PDFBibTeX XMLCite \textit{G. G. Bastos} et al., Rend. Semin. Mat. Univ. Padova 83, 171--175 (1990; Zbl 0728.12006) Full Text: Numdam EuDML
Bastos, Gervasio G.; Viswanathan, T. M. Torsion-free Abelian groups, valuations and twisted group rings. (English) Zbl 0656.20061 Can. Math. Bull. 31, No. 2, 139-152 (1988). Reviewer: G.Karpilovsky MSC: 20K20 20K30 20M25 13A18 13G05 20C07 12F20 13B30 PDFBibTeX XMLCite \textit{G. G. Bastos} and \textit{T. M. Viswanathan}, Can. Math. Bull. 31, No. 2, 139--152 (1988; Zbl 0656.20061) Full Text: DOI
Bastos, G. G. Quasi-semi-valuations and groups of divisibility. (English) Zbl 0728.12011 Math. Stud. 50 (1982), No. 1-4, 257-263 (1987). Reviewer: M.van der Put (Groningen) MSC: 12J99 PDFBibTeX XMLCite \textit{G. G. Bastos}, Math. Stud. 50, No. 1--4, 257--263 (1987; Zbl 0728.12011)
Bastos, G. G.; Sankaran, N. Analogue of Greenberg’s theorem for Henselian fields of finite rank. (English) Zbl 0457.12008 An. Acad. Bras. Cienc. 52, 211-212 (1980). MSC: 12J10 13J15 PDFBibTeX XMLCite \textit{G. G. Bastos} and \textit{N. Sankaran}, An. Acad. Bras. Ciênc. 52, 211--212 (1980; Zbl 0457.12008)
Bastos, Gervasio G. Some results on the degree of imperfection of complete valued fields. (English) Zbl 0398.12018 Manuscr. Math. 25, 315-322 (1978). MSC: 12J10 12F10 12F15 PDFBibTeX XMLCite \textit{G. G. Bastos}, Manuscr. Math. 25, 315--322 (1978; Zbl 0398.12018) Full Text: DOI EuDML
Bastos, Gervasio G. A characterization of complete subfields of a complete valuated field. (English) Zbl 0378.12013 Bol. Soc. Bras. Mat. 6, 53-56 (1975). MSC: 12J10 12F05 PDFBibTeX XMLCite \textit{G. G. Bastos}, Bol. Soc. Bras. Mat. 6, 53--56 (1975; Zbl 0378.12013) Full Text: DOI
Bastos, Gervasio G. On the solvability of problems of existence in valuation theory. (Zur Lösbarkeit von Existenzproblemen in der Bewertungstheorie.) (German) Zbl 0301.12102 Abh. Math. Semin. Univ. Hamb. 41, 154-157 (1974). Reviewer: Wilfried Nöbauer (Wien) MSC: 12J20 PDFBibTeX XMLCite \textit{G. G. Bastos}, Abh. Math. Semin. Univ. Hamb. 41, 154--157 (1974; Zbl 0301.12102) Full Text: DOI
Bastos, G. G. The generalized Krasner’s theorem and applications. (Portuguese) Zbl 0341.12105 Bol. Soc. Bras. Mat. 3, 141-145 (1972). MSC: 12J20 12F10 12J10 PDFBibTeX XMLCite \textit{G. G. Bastos}, Bol. Soc. Bras. Mat. 3, 141--145 (1972; Zbl 0341.12105) Full Text: DOI