@article{oai:teapot.lib.ocha.ac.jp:00034774, author = {Asamoto, Noriko and Koyama, Toshiko}, 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}, pages = {77--80}, title = {On a Torsion-free Class with Separable Types}, volume = {36}, year = {1985} }