1. On the undecidability of power series fields;Ax;Proceedings of the American Mathematical Society,1965
2. Extended Artin-Schreier theory of fields;Becker;Rocky Mountain Journal of Mathematics,1984
3. E. Becker and D. Gondard, Anneaux semi-chainables, unpublished manuscript, 1988, 27 pp
4. Rational points in algebraic varieties over a generalized real closed field: a model-theoretic approach;Becker;Journal fur die Reine und Angewandte Mathematik,1985