@article{oai:teapot.lib.ocha.ac.jp:00034921, author = {Fujita, Noriko and 藤田, 訓子}, issue = {1}, journal = {お茶の水女子大學自然科學報告}, month = {Jul}, note = {application/pdf, 紀要論文, As the metric generalizations of Banach algebras W. Zelazko considered, in his paper [1], some types of topological algebras. One of them is not always convex in the sense of a linear space, that is the p-normed algebra, 0