Department of Mathematics, Faculty of Science, Okayama University Acta Medica Okayama 0030-1566 23 2 1981 A note on commutative separable algebras. II EN David E. Dobbs Stuart Sui-Sheng Wang No potential conflict of interest relevant to this article was reported.

Department of Mathematics, Faculty of Science, Okayama University Acta Medica Okayama 0030-1566 30 1 1988 A note on universally going-down EN David E. Dobbs No potential conflict of interest relevant to this article was reported.

Department of Mathematics, Faculty of Science, Okayama University Acta Medica Okayama 0030-1566 31 1 1989 Some Results on the Weak Normalization of an Integral Domain EN David E. Dobbs Marco Fontana No potential conflict of interest relevant to this article was reported.