@article{oai:teapot.lib.ocha.ac.jp:00034677, author = {WATANABE, HISAKO}, issue = {2}, journal = {お茶の水女子大學自然科學報告}, month = {Feb}, note = {application/pdf, 紀要論文, Consider a bounded domain D with fractal boundary in R^d such that ∂D is a β-set (d-1≦β