@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039861, author = {Fujiwara, Daisuke}, issue = {2}, journal = {Journal of the Faculty of Science, University of Tokyo. Sect. 1, Mathematics, astronomy, physics, chemistry = 東京大學理學部紀要. 第1類, 數學, 天文學, 物理學, 化學}, month = {Nov}, note = {application/pdf}, pages = {169--177}, title = {$L^p$-theory for characterizing the domain of the fractional powers of - $\Delta$ in the half space}, volume = {15}, year = {1968} }