@article{oai:teapot.lib.ocha.ac.jp:00035062,
 author = {Kato, Tizuko and 加藤, 千鶴子},
 issue = {2},
 journal = {お茶の水女子大學自然科學報告},
 month = {Mar},
 note = {application/pdf, 紀要論文},
 pages = {175--177},
 title = {Sur les Points Singuliers des Equations Differentielles Ordinaires du Premier Ordre IV},
 volume = {5},
 year = {1955}
}