@article{oai:tsukuba.repo.nii.ac.jp:00016062, author = {Komeda, Jiryo}, issue = {2}, journal = {Tsukuba Journal of Mathematics}, month = {Dec}, pages = {237--270}, title = {On the existence of Weierstrass points with a certain semigroup generated by 4 elements}, volume = {6}, year = {1982} }